A 35 V DC supply is connected across a resistance in series with an unknown resistance R. a voltmeter having a resistance of 1.2 k is connected across 600 resistance and reads 5 V. The value of the known resistance is 600 . The value of resistance R will be?

A 35 V DC supply is connected across a resistance in series with an un

1.	A 35 V DC supply is connected across a resistance in series with an unknown resistance R. a voltmeter having a resistance of 1.2 k is connected across 600 resistance and reads 5 V. The value of the known resistance is 600 . The value of resistance R will be?
A.	120
B.	400
C.	1.8 k
D.	2.4 k
Answer» E.

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A 35 V DC supply is connected across a resistance in series with an unknown resistance R. a voltmeter having a resistance of 1.2 k is connected across 600 resistance and reads 5 V. The value of the known resistance is 600 . The value of resistance R will be?

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