Current Electricity and Electrical InstrumentEasy
Question
P, Q is a uniform wire of resistance 2000 Ω and M the mid point of PQ. A voltmeter of resistance 1000 Ω is connected between P and M. The reading of the voltmeter, when, the potential difference applied between PQ is 150 volt will be.
Options
A.150 volt
B.100 volt
C.75 volt
D.50 volt
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
The emf of a cell is balanced at 52 cm length of the potentiometer wire. If 5 ohm resistance is inserted from the resist...In the circuit shown, reading of the voltmeter connected across 400 Ω resistance is 30 V. If it is connected across...The sensitivity of a potentiometer is increased by...Which of the following statement is wrong : -...The balancing length is obtained at 78.4 cm length while measuring the potential difference at the ends of a resistance ...