n instrument which can measure potential without drawing any current is_____________________?

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 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...

A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

A. independent mass m B. directly proportional to m C. directly proportional to q D. directly proportional to B...

The magnetic field strength of solenoid is__________________?

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

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

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