ShowPer Page
Mutual inductance M of two coils depends upon:
NETNUST Entry TestPhysicsElectromagnetic Induction
The SI unit of mutual inductance M is:
NETNUST Entry TestPhysicsElectromagnetic Induction
Emf induced in the secondary is proportional to:
NETNUST Entry TestPhysicsElectromagnetic Induction
The emf induced in the secondary coil is proportional to:
NETNUST Entry TestPhysicsElectromagnetic Induction
When we study mutual induction between two coils, the secondary coil circuit also contains:
NETNUST Entry TestPhysicsElectromagnetic Induction
The phenomenon in which a changing current in one coil induces an emf in another coil is called:
NETNUST Entry TestPhysicsElectromagnetic Induction
When we study mutual induction between the coils, the primary coil circuit also contains:
NETNUST Entry TestPhysicsElectromagnetic Induction
An induced emf acts:
NETNUST Entry TestPhysicsElectromagnetic Induction
The Lenz's law is a statement of law of conservation of:
NETNUST Entry TestPhysicsElectromagnetic Induction
When we say that the Lenz's law refers to induced currents, it means that we can apply it directly to:
NETNUST Entry TestPhysicsElectromagnetic Induction
The Lenz's law refers to:
NETNUST Entry TestPhysicsElectromagnetic Induction
The minus sign in Faraday's law:
NETNUST Entry TestPhysicsElectromagnetic Induction
The direction of induced current is always so as to oppose the cause which produces is. This is:
NETNUST Entry TestPhysicsElectromagnetic Induction
Faraday's law of electromagnetic induction has been used in the construction of:
NETNUST Entry TestPhysicsElectromagnetic Induction
The law of electromagnetic induction is related to:
NETNUST Entry TestPhysicsElectromagnetic Induction
An emf of 5V is induced in a coil of 100 turns in 0.02 sec during which time a change of flux takes place by some process. The change of flux is:
NETNUST Entry TestPhysicsElectromagnetic Induction
A loop of wire is placed in a uniform magnetic field that is perpendicular to the plane of the loop. The electromotive force is induced in the loop when its area:
NETNUST Entry TestPhysicsElectromagnetic Induction
The rate of change of area is expressed in:
NETNUST Entry TestPhysicsElectromagnetic Induction
The minus sign in the Faraday's law indicates that the direction of induced:
NETNUST Entry TestPhysicsElectromagnetic Induction
Faraday's law can be mathematically expressed as:
NETNUST Entry TestPhysicsElectromagnetic Induction
The law which deals with average emf induced in a conducting coil due to change of magnetic flux passing through it is called:
NETNUST Entry TestPhysicsElectromagnetic Induction
The emf produced due to relative motion between a coil and a magnet is called:
NETNUST Entry TestPhysicsElectromagnetic Induction
Plane of a coil makes an angle of $20^{\circ}$ with the lines of magnetic field. The angle between B and vector area of the plane of coil is:
NETNUST Entry TestPhysicsElectromagnetic Induction
Electric intensity is the cross product of:
NETNUST Entry TestPhysicsElectromagnetic Induction