A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

Related Mcqs:

Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

A. magnetic flux B. magnetic field intensity C. magnetic induction D. self inductance...

A galvanometer basically is an instrument used to ____________________?

A. detect current in a circuit B. measure current flowing through a circuit C. measure voltage across a circuit D. measure potential difference between two points in a circuit...

A wheat stone bridge is said to be balanced when____________________?

A. maximum current flows through the galvanometer branch B. minimum current flows through the galvanometer branch C. potential difference across galvanometer branch is maximum D. potential difference across galvanometer branch is zero...

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A. B = μNI B. B = μN/I C. B = μnI D. Both B and C...

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A. τ = NIAB cosφ B. τ = NIAB sinφ C. τ = NIAB tanφ D. τ = NIAB...