Calculate the internal resistance

Reference no: EM131340350

1. A battery has a terminal voltage of 1.8 V when supplying a current of 9 A. This voltage rises to 2.02 V when the load is removed. Calculate the internal resistance.

2. Four resistors of values 10 Ω, 20 Ω , 40 Ω , and 40 Ω are connected in parallel across the terminals of a generator having an emf of 48 V and internal resistance 0.5 Ω . Sketch the circuit diagram and calculate

(a) the current drawn from the generator,

(b) the p.d. across each resistor and

Reference no: EM131340350

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