Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 600. 150. 450. 300. 600. 150. 450. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Null vector. | E |. Zero. E. Null vector. | E |. Zero. E. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Commutator. Copper conductors. Electric fields. Electric current. Commutator. Copper conductors. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Maxwell Fleming Lenz Faraday Maxwell Fleming Lenz Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as none of them. magnetic flux. tubes of indication. lines of force. none of them. magnetic flux. tubes of indication. lines of force. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Zero None of these Unity Infinity Zero None of these Unity Infinity ANSWER DOWNLOAD EXAMIANS APP