How much voltage is needed to run a current of 0.69 Amperes in a 959-Ohm resistor? Assume negligible wire resistivity. Round off your answer to a whole number. V. Volts
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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A solid metal cylinder has a certain resistance. It is then heated and carefully stretched to form a longer, thinner cylinder. After it cools, will its resistance be the same as, greater than, or less than what it was before? Explain our choice.In the figure resistor 1 = 126 2, resistor 2 = 81 N, and the ideal batteries have emfs ɛ1 E2 = 5 volts, and ɛ3 = 7 volts. Find the current through resistor 1. = 29 volts, Round off answer up to 3 decimal places. Consider absolute value. Include the unit (A for ampere, V for volt and ohm for ohm). Rz RI wwA 0.052-farad capacitor is discharging through a 100-ohm resistor. Calculate the current through the circuit, in amperes, after 346 ms if the initial current is 1.00 A. Use three decimals in your answer.
- Hw. Find the equivalent Conductance G bor the circuit in figure Gea 5S' 12 S 12+5-20s Geg tos ansDuring an experiment to verity Ohen's law he voltage supplied and the current through a circuit are measured. Notage is measured in Vot M)and current in Ampere All www. R Battery The measured value of the currert is-42 : 02 A and that of the voltage is v- 17: 03 V. The resistance of the cirauit (in can be calculated using the formla. R- V/I. Calculate the, al Rasistance in C)= bộ Fractional uncertanty in the restnce ) Abackute uncertainty (n ) in the resintancen4 The pitantial at the tenminals of the battery falls from aV on arcuit to e volts when a resistor of 1o ohms open Is conneuted across its terminals What resistance of the batterg ? is the internal 15 57 Petermina the vol tage drop acness the figure below. 4 -dhm vesis tor in 10 J -L 4y figure shoum. Get the eqoiralent resistance of th
- Two resistors are connected in series with a 9.000 V battery. The resistances are measured to be 2.500 ohms and 3.500 ohms. Calculate the voltage across each resistor.A P=2000 Watt heater operates at V=220 volts, calculate its resistance R in Ohms.A resistor is marked orange, orange, orange, and gold. An onmmeter indicates that the resistor value is 34,700 ohms. Is this resistor within its tolerance rating?
- The total resistance value of the circuit below is... ohmThe voltage, V, (in volts) across a circuit is given by Ohm's law: V = IR, where I is the current (in amps) flowing through the circuit and Ris the resistance (in ohms). If we place two circuits, with resistance Ri and R2, in parallel, then their combined resistance, R, is 1. 1 given by - R Suppose the current is 5 amps and increasing at 10-2 amp/sec and Ry is 6 ohms and increasing at 0.6 %3D R' R2 ohm/sec, while R2 is 7 ohms and decreasing at 0.5 ohm/sec. Calculate the rate at which the voltage is changing. Round your answer to three decimal places. volts/secIf three resistors connected in series to a battery. Suppose R, carries a current of 20A, R2 has a resistance of 37.50, and Ry dissipates 60W of power. What is the voltage across Ry and Resistance of Ry 7 1. Voltage across Ry and 2. Resistance of Rg =