Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 2. 1. 0.5. 4. 2. 1. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). Q/(4 π εo r3). 3 Qr/(4 π εo R3). QR/(4π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QR2/d. QD. Q√(R2 + d2). QR. QR2/d. QD. Q√(R2 + d2). QR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as coulomb. milli - coulomb. pico - coulomb. micro - coulomb. coulomb. milli - coulomb. pico - coulomb. micro - coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Inductor. Capacitor. Variable Resistor. Condenser. Inductor. Capacitor. Variable Resistor. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be pulsating. alternating. none of these. steady. pulsating. alternating. none of these. steady. ANSWER DOWNLOAD EXAMIANS APP
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