What is the magnetic field outside a solenoid?
A : a. Infinity
B : b. Half the value of the field inside
C : c. Double the value of the field inside
D : d. Zero
Which, among the following qualities, is not affected by the magnetic field?
A : a. Moving charge
B : b. Change in magnetic flux
C : c. Current flowing in a conductor
D : d. Stationary charge
When a charged particle moves at right angles to the magnetic field, the variable quantity is?
If the flow of electric current is parallel to the magnetic field, the force will be ______
A : a. Zero
B : b. Infinity
C : c. Maximum
D : d. Half the original value