Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 24t. 12t3. 12t. 4t3. 24t. 12t3. 12t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is Zero. √ 2 V. 1 V. 2 V. Zero. √ 2 V. 1 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 4. 3. 8. 2. 4. 3. 8. 2. 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 15 joules. 12 joules. 30 joules. 24 joules. 15 joules. 12 joules. 30 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be at angle of 45° with the axis. perpendicular to the axis. zero. parallel to axis. at angle of 45° with the axis. perpendicular to the axis. zero. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP