Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. 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 3.75 N. 5 N. 2 N. 2.5 N. 3.75 N. 5 N. 2 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux cut. rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. amount of flux cut. rate of change of flux linkage. amount of flux linkage. flux density of the magnetic field. 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). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Grad div A. Div grad V. Curl curl A. Div curl A. Grad div A. Div grad V. Curl curl A. Div curl A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watt × metre2. Watt × metre. Watts/metre2. Watt/metre. Watt × metre2. Watt × metre. Watts/metre2. Watt/metre. ANSWER DOWNLOAD EXAMIANS APP