Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 0 V. 900 V. 1800 V. 200 V. 0 V. 900 V. 1800 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/2π. ω. ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 5.25m. 6.25m. 0.6m. 0.5m. 5.25m. 6.25m. 0.6m. 0.5m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Electric current. Copper conductors. Commutator. Electric fields. Electric current. Copper conductors. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 3b a = b a = b/4 a = 2b a = 3b a = b a = b/4 a = 2b 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 alternating. none of these. pulsating. steady. alternating. none of these. pulsating. steady. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS