Current Electricity and Electrical InstrumentMedium
Question
In a Wheatstone′s bridge, there resistances P, Q and R connected in the three arms and the fourth arm is formed by two resistances S1 and S2 connected in parallel. The condition for bridge to be balanced will be
Options
A.
B.
C.
D.
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A carbon resistor (47 ±4.7) kΩ is to be marked with rings of different colours for its identification. The col...When a galvanometer is shunted with a 4Ω resistance, the deflection is reduced to one - fifth. If the galvanometer ...An ammeter and a voltmeter are joined in series to a cell. Their readings are A and V respectively. If a resistance is n...Given that the power dissipated in 5 Ω resistance is 7.2 W in the circuit shown.Statement I: Power dissipated in 6 Ω res...20% of the main current passes through the galvanometer. If the resistance of the galvanometer is G, then the resistance...