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Q.

A generator has an e.m.f. of $440 Volt$ and internal resistance of $400 o h m$ . Its terminals are connected to a load of $4000 o h m$ . The voltage across the load is

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a

400 volt

b

220 volt

c

440 volt

d

200 volt

answer is D.

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Detailed Solution

Total resistance of the circuit = 400 + 400 = 4400 W

Current flowing $i = \frac{V}{R} = \frac{440}{4400} = 0.1 a m p$

Voltage across load $= R i = 4000 \times 0.1 = 400 v o l t$

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