Current Electricity and Electrical InstrumentHard
Question
Which of the statment is wrong : -
Options
A.when all resistance are equal, then the sensitivity of wheatstone bridge is maximum.
B.when the galvanometer and the cell are interchanged, then the balancing of wheat stone bridge will be effected.
C.Kirchoff′s first law for the currents meeting at the Junctions in an electric circuit shows the conservation of charge.
D.Rheostat can be used as potential divider.
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
An ammeter and a voltmeter are joined in series to a cell. Their readings are A and V respectively. If a resistance is n...Two resistors $2\Omega$ and $3\Omega$ are connected in the gaps of bridge as shown in figure. The null point is obtained...In the circuit shown the readings of ammeter and voltmeter are 4A and 20V respectively. The meters are non-ideal, then R...An open knife edge of mass ′m′ is dropped from a height ′h′ on a wooden floor. If the blade pene...In the circuit shown in figure, A is a sliding contact which can move over a smooth rod PQ. Resistance per unit length o...