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118.6 V battery is hooked to a 85.7 resistor. What is the resulting current (in A).
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- A current, i(t) = 50 cos(100t) enters the input terminal of an electric device. What is the current at t = 60 ms? O 10 mA 500 mA 50 mA 5 mA1. A large spool in an electrician's workshop has 75 m of insulation coated wire coiled around it. When the electrician connects a battery to the ends of the spooled wire, the resulting current is 1.1 A. Some weeks later, after cutting off various lengths of wire for use in repairs, the electrician finds that the spooled wire carries a 2.9-A current when the same battery is connected to it. What is the length of wire remaining on the spool? mWhale and Kanmuro are two islands located in the Chimera archipelago. These two are separated by a distance of 24 miles. A power link is to be established between them. The power link delivers a maximum power of 600 MW at full capacity with an operating voltage of 500 kV. a. Solve for the current at full power capacity (Ans: I = 1200 A) b. Solve for the resistivity of the cable, assuming a conductor diameter of 2.5 cm |(Ans: p = 5.296x10-6 2 · m)
- 1. A 500. −? resistor, an uncharged 2.00 uF capacitor, and a 10.0 − ? emf source are connected in series. How much charge does the capacitor store after one time constant?a) Zerob) 1.26 × 10−5Cc) 1.73 × 10−5Cd) 2.00 × 10−5C2. A current of 50 mA is fed to a 100 ? resistor. What are the potential difference and power one would expect to measure?a) 5 mV and 5 mWb) 5,000 V and 250,000 Wc) 0.25 V and 5 Wd) 5 V and 0.25 WAn electric device draws 6.5 A at 240 V. If the voltage drops by 15%, what will be the new current? O 1. None O 2. 5.5 A О3. 1А O 4. 6 A O 5. 4.8 A nt questions on the final re to search SSUSIf a 93.5 V emf is connected to terminals A and B then the current in the 4.0 0 resistor is 17 A. What is the value of the unknown resistor, R? R A 2.0 2 2.0 2 2.0 2 4.0 2
- A cell of em.f. 2V and external resistance 0.5 Q is connected across a resistor (R). The current that flows is same as that, when a cell of e.m.f. 1.5 V and external resistance 0.3 Q is connected across the same resistor. Then R=03Q (b) R=0.60 R=05Q (d) R=0.75 92852 9,2 2452 3052 The power dissipated in the 5 Ohms resistor is 80 W. A. The circuit's total current is A. B. The circuit's total voltage is V. C. The power dissipated in the 30 Ohms resistor is W. Round all answers to whole numbers.Whale and Kanmuro are two islands located in the Chimera archipelago. These two areseparated by a distance of 24 miles. A power link is to be established between them. Thepower link delivers a maximum power of 600 MW at full capacity with an operating voltageof 500 kV. a. Solve for the current at full power capacityb. Solve for the resistivity of the cable, assuming a conductor diameter of 2.5 cm