An ammeter measures the total current flowing through a circuit when it is connected__________________?
A. in series with the circuit
B. in parallel with circuit
C. in series with any of the parallel resistances in the circuit
While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________________?
A. a most sensitive galvanometer is used
B. a steady voltage cell is usedC. the balance point is close…
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?
A. a circle
B. a spiral
C. an ellipseD. helix…
Magnetic flux and flux density are related by___________________?
A. magnetic flux = flux density / areaB. magnetic flux = flux density x area
C. flux density = magnetic flux area
D. flux density = magnetic flux x area…
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 tanφD. τ = NIAB…