Electromagnetic Field Theory Which of the following represents ohms law J = σE I = GV V = RI All of these J = σE I = GV V = RI All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon None of these The direction of the conductor The value of current The weight of the conductor None of these The direction of the conductor The value of current The weight of the conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Electric fields. Copper conductors. Commutator. Electric current. Electric fields. Copper conductors. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0. 1.32 mm. 0.88 mm. 1.77 mm. 0. 1.32 mm. 0.88 mm. 1.77 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. 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 2 V. √ 2 V. Zero. 1 V. 2 V. √ 2 V. Zero. 1 V. ANSWER DOWNLOAD EXAMIANS APP
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