6. If 42 Amps places 7 Ω resistance on a terminal in a battery. What is the potential difference?
8. A car headlight with a resistance of 30 Ω is placed across a 12 Volt battery . What is the current in the circuit?
9. A motor with an operating resistance of 32 Ω is connected to a voltage source. The current in the circuit is 3.8 A. What is the voltage at the source?
10. A lamp draws 0.5 A when ever connected to a 120 V source. What is the resistance of the lamp?
11. 500 V of charge passes in a wire with 20 Ω. What is the current?
2007-01-09
11:58:01
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4 answers
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asked by
Anonymous
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Education & Reference
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2007-01-09
12:18:00 ·
update #1