Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The potential difference between two points is zero. If the curl of E is identically zero. The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. The potential difference between two points is zero. If the curl of E is identically zero. The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on heating effect of current. peltier effect. electrostatic effect. magnetic effect. heating effect of current. peltier effect. electrostatic effect. magnetic effect. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low hysteresis loss. low permeability. high permeability. both a and b. low hysteresis loss. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Capacitor. Inductor. Condenser. Variable Resistor. Capacitor. Inductor. Condenser. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. small B-H loop area. large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. large coercivity. high hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
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