A the current through the Zohm resistor is 4.0A yoiny from Ча. IZV Left to TCight A what is the Curent în the Othes brunches of the circvit? twhat is the Voltuge dap across the 4 ohm resistor? A What is the Voltage cdrop Across the 3 ohm ru sistor ?
Q: (a) You need a 45 - Ω resistor, but the stockroom has only20. - Ω and 50. - Ω resistors. How can the…
A: (a). connect two 50 ohms in parallel combination and then connect a 20ohm in series with the…
Q: When running on its 11.5V battery, a laptop computer uses 7.5W. The computer can run on battery…
A: The relation between the current, voltage and power is, P=IV Here P is the power, I is the current…
Q: How much current will an electric bulb draw from a 220 V source, if the resistance of the bulb…
A: (a) According to Ohm’s law. Substitute, 220V for voltage, and 1200 ohm for resistance.
Q: (a) A rectangular block has the dimensions exwxh. When a battery with a voltage V is connected…
A: Given dimensions = l* w*h
Q: (a) What energy is dissipated by a lightning bolt having a 20,700 A current, a voltage of 117 MV,…
A: Given, current I = 20700 A Voltage V = 117 MV = 117 X 106 V Time t =1 ms = 1 x 10-3 s We know the…
Q: A 1050 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…
A: a) We know that the formula of the power is given as P =VI where P is the power V is the voltage…
Q: b. What is the current carried by L2? What is then the current sent by the r Draw again the circuit…
A: Voltage is defined as the potential difference between two points in an electric field that causes…
Q: (a) Find the current in an 8.00 - Ω resistor connected to a batterythat has an internal resistance…
A: Write the expression for current through the resistor .
Q: (a) What is the hot resistance of a 25-W light bulb that runs on 120-V AC? (b) If the bulb’s…
A: The hot resistance of the bulb can be obtained as
Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.55 W. (a) How much…
A: P=I2RI=PR=0.55 W4.5 V=0.35 A
Q: A light bulb with a resistance of 2200 ohms is connected to a 220 V power outlet. a. How much…
A: Ohm’s law states that the voltage or potential difference between two points is directly…
Q: A 120 V potential difference is applied to a space heater whose resistance is 14 when hot. (a) At…
A:
Q: (such as a 100-W bulb) is the power dissipates when connected across a 120-V potential difference.…
A: Power is the amount of energy transferred or converted per unit time. Here, we calculate the given…
Q: Four resistors and a power supply are placed in a circuit as shown below. (a)What is the equivalent…
A: Resistor is an electrical component which limits or reduces the flow of electrons. It is a passive…
Q: Suppose that a person’s body resistance is 950Ω (moist skin).(a) What current passes through the…
A:
Q: A 2800-W oven is connected to a 240-V source. (a) What isthe resistance of the oven? (b) How long…
A: Given,
Q: A person with body resistance between his hands of 10 killohms accidentally grasps the terminals of…
A: Given,
Q: energy in kilojoules does the device produce
A:
Q: a) Find the current in each part of the curcuit given in the figure. b) What is the potential…
A: Redraw the circuit diagram as:
Q: A toaster operating on 120 V uses a current of 9.3 A. (a) What is the toaster's power consumption? W…
A: Write a given values of this question. V=120VI=9.3At=7min=7×60s=420s
Q: . (a) What is composite? Please write the name of few composites. (b) Calculate the specific…
A:
Q: 2 Power is equal to the voltage times the Current, P=VI. The unit of power is the Watt, W.A.)…
A: Hello. Since you have posted multiple questions (solved and unsolved) and not specified which…
Q: Three 300-Ω resistors are connect in series with an AAA battery with a rating of 3 AmpHours. (a) How…
A:
Q: (a) During surgery, a current as small as 20.0 μA applied directly to the heart may cause…
A: Current, I = 20 μA Resistance, R = 300 Ω
Q: (a) What is the resistance of a 190 N, a 2.50 kN, and a 4.10 kn resistor connected in series? (b)…
A:
Q: a) A battery having an emf (e) of 6V and an internal resistance (r) of 0.20 is connected to a load…
A:
Q: a) A battery having an emf (ɛ) of 9V and an internal resistance (r) of 0.40 is connected to a load…
A: Calculate the equivalent resistance.
Q: (a) A lightbulb has a resistance of 230 N when operating with a potential difference of 140 V across…
A:
Q: În the circuit shown, R¡ =6,00 N, R2=4,00 2, R3=4,00 Q, and R4= 5.00 Ω. RI ww 24.0 V ww 12.0 V…
A:
Q: A resistor with a 15.0 V potential difference across its ends develops thermal energy at a rate of…
A: Solution: V = 15 volts P = 327 W a) we know that P = V2 / R R = V2 / P R =152 / 327 R = 0.688 ohm…
Q: A four-slice toaster is rated at 1200 W and designed for use with 120-V circuits. (a) What is the…
A: Given data The rated power of the toaster is P = 1200 W The potential difference of the toaster is V…
Q: A typical cell phone consumes an average of about 1.00 W ofelectrical power and operates on 3.80 V.…
A: Given:Power consumed by a typical cell phone = 1 WVoltage required = 3.8 V
Q: A Nichrome heating element in an oven has a resistanceof 8.0 Ω at 20.0°C. (a) What is its resistance…
A:
Q: What is the value for RT (Total Resistance)? What is the total Current IT? O What is the potential…
A: Given data: Three resistors are connected in series R1 = 15 Ω R2 = 20 Ω and R3 = 5Ω Battery voltage…
Q: a) By finding the equivalent capacitance, and then working backwards, find the voltage drop across…
A: Overall voltage V = 10 v Capacitance of each = 2μF Formula used: For capacitors in series 1/C =…
Q: (a) Find the terminal voltage of a 12.0-V motorcycle battery having a 0.600-Ω internal resistance,…
A:
Q: (e) In electrical circuits, Ohm's law can be mathematically modeled as I = V /R, whereas I is the…
A: Given data- ohm's law I=V/R temperature dependent resistor R(T)=10T2 constant voltage V=10V…
Q: a. If the actual resistances are not within the tolerable range, what could be the implications? b.…
A: a. If the actual resistance is not within the tolerable range, then the resistor can disturb the…
Q: The hot resistance of a flashlight bulb is 1.93, and it is run by a 1.58-V alkaline cell having a…
A: Given data: Resistance of flashlight (R) = 1.93 Ω Emf (ε) = 1.58 V Internal resistance (r) = 0.100…
Q: e following circuit, d the ent Ix, and the voltage V1, For IL mA.
A: Apply V = iR and current addition rule.
Q: A small light-bulb draws 0.22-A current from a 6-V battery. In 2 min: a) How much energy does the…
A: Energy supplied by battery E=VIt E=6×0.22×2×60=144J
Consider the current I1 and I2 flowing down to the 4 Ω and 3 Ω resistors respectively as in the diagram below.
Consider the diagram below.
Apply Kirchhoff’s current law at node B.
Apply Kirchhoff’s voltage law in the loop ABEFA.
Put 1 A for I1 in equation (1) and find I2.
(a)
Current through the branch BE and CD are 1 A and 3 A respectively.
Step by step
Solved in 3 steps with 6 images
- 4. a. Determine the equivalent resistance of the "ladder" of equal 175 Q resistors shown here. In other words, what resistance would an ohmmeter read if connected between points A and B? R R R R. R R R R Bon RAB = b. What is the current through a 50.0 V battery connected between points A and B?A. Determine the equivalent resistance fir the circuit.keep vaules in ohms B. Determine hiw much current the battery produces. keep vaules in amps C. Determine the voltage across R12 and R3; call these values V12 and V3, keep the vaules in volts. then usr ohms law: V=i r, to fkmd the current across R12 and R3; call tjese 12 and 13, keep these vaules in amps. D. use ohms law to caculare the voltages across R1 and R2; call these vaules V1 and V2, keep results in volts. Requivatont,scris= Sihi=R1 tket . kequivaknt, papli=Zi Ri =RI K You circuit are given the following below. combination Z Rz R3 where V is a 12 V battery; R1 is 330ohms R2 is 180 ohms R3 is 270 ohms please write all work legaie thanks :)min firinim RI R. 11. In the circuit at right, let all internal resistances be r= 2o and all other R2 resistances be R = 80 a. The battery MFs are: R3 5 = 600 v 5, = 120 v 5 = 240 v R7 R6 What is the current through resistor (R,)? (in amps) a. 3.664 b. 4.580 c. 1.832 d. 2.748 e. 1.791 tüit
- The compressor on an air conditioner draws89.6 A when it starts up. The start-up time isabout 0.282 s.How much charge passes a cross-sectionalarea of the circuit in this time?Answer in units of C.what is the total resistance? Assume that the current enters one coraer and the sides of a cube. exits at the diagonally opposite corner. B. A cell with internal resistance of 1.0 o is connected in series withn5.0 oresistor and 3.0 N. The voltage across the 5 n resistor is 5 V. (al What current flows through the circuit? (b) What is the voltage across the 3 a resistor? iel What is the terminal voltage of the cell? (d) What is the emf of the cell? 9. There are 100 graduations In the scale of an ammeter with internal resistance of 0.18 n and intended to measure a current up to 10 A. (a) What is the value of each graduation? (b) Convert this to an ammeter that can measure up to 100 A. (c) How will the value of the graduations change? 10. There are 30 graduations in the scale of a voltmeter with an internal ading of 30 V.Problem 1: Fill in the VIR Chart for the circuit below. I already broke it into chunks tor you, but you need to determine how to solve. Component I R R, R qu R2 2.5 R2 R3 R. 3 R, R, 10 R, 2 R. 5 R, 2.5 RA RA RTotal
- Compare between incandescent lamps (70 watt) and CFL lamp (17 watt). if the price of incandescent is 3 NIS and the price of the florescent is 12 NIS and the price of the KWH is 0.5 NIS assuming that both lamps will work 10000 hours, how many NIS we save when we use CFL lamps. ut of uestion Select one: a. 137.5 NIS Ob. 271 NIS O c. 230 NIS d. none of these e. 150 NISc Determine Hhe curfent thraugh the 1 chm resistor. ww はVA cylindrical conductor has resistance R0=40 ohms. If we decrease the radius of the conductor by a factor of 2, while keeping the rest fixed, what is the new resistance? b. A battery with emf of 12 V, with an internal resistance of r=.5 ohms is connected in series with this cylindrical conductor (with radius reduced). what is its terminal voltage? Keep at least 6 sig. figs.
- Consider the following circuit. R Which of the following configurations do you use to measure current and voltage? A B R R wwSolve the following: 1. How many nanocoulomb are there in 3.65 billion electrons ? 2. A 25 ampere electric current flows in a conductor in 75 millisecond. Find: a. current equivalent in mA? b. How many charges are transferred ? c. How much work is required to transfer if 3V is applied. 3. A charge of 3.5 µC present in an electric field produces a force of 0.008 Newton. What is the intensity of the electric field ? 4. A charge of 0.6 µC is placed in an electrostatic field whose intensity is 3 x 105 N/C. How strong is the force acting on the charge ? 5. Two objects are both negatively charge with 0.04 coulomb each and 140 cm apart. What kind of force exist Between charges? How much? 6. Find the force that exist between two charges of 8.53 μC and 4.5 µC that 0.25 meters in air?How long willit take a charged 80 uF capactor to lose 37%% of its initial energy when it is allowed to discharge through a 45 O resistor? a. 3.58 ms O b. 1.66 ms Oc 1.79 ms O d. 0.51 ms Oe. 0.83 ms Next page Dage Introduction to Phys102> Jump to