Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. None of these virtually induced emf. static induced emf. dynamically induced emf. None of these virtually induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 12 joules. 15 joules. 24 joules. 30 joules. 12 joules. 15 joules. 24 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be at an angle 45o with the axis. perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. perpendicular to axis. parallel to axis. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Transmission None of these Reflection Refraction Transmission None of these Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2.5 N. 3.75 N. 2 N. 5 N. 2.5 N. 3.75 N. 2 N. 5 N. ANSWER DOWNLOAD EXAMIANS APP
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