1) Two 10 Ohms resistors are connected to a 5 V battery. Under which conditions

Question

1) Two 10 Ohms resistors are connected to a 5 V battery. Under which conditions (parallel or series) will the battery supply the most power and how much power will the battery supply? A) 5W, series, B) 5W, parralel, C) 2.5 W series, D) 1.25W parralel, E) 2.5 W parallel 2) Three 15 ? resistors are connected in parallel. What battery potential is required such that each resistor carries a current of 0.5 A? A) 22.5 V, B) 2.5 V, C) 15 V, D) 30 V E) 45 V 3) A resistor of resistance R is connected to a battery that supplies potential V. This circuit dissipates a power P. If the resistance is doubled and the potential stays constant, what is the new power in terms of P? A) 4P B) P C) P/2 D) P/4 E) 2P

Explanation / Answer

in parallel maximum power P = 5 watt v = 7.5 volt not given in option P/2

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