NEET | 2018Current Electricity and Electrical InstrumentHard
Question
Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is
Options
A.
40
B.
25
C.
250
D.
500
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A millimeter of range 10mA and resistance is joined in a circuit as shown. The meter gives full-scale deflection for cur...A battery of electro motive force E is connected in series with a resistance R and a voltmeter. An ammeter is connected ...For the circuit shown in the figure...The current density in a wire is 10 A/cm2 and the electric field in the wire is 5 V/cm. If ρ = resistivity of mater...By increasing the temperature, the specific resistance of a conductor and a semiconductor...