Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 100 N 1000 N 400 N 300 N 100 N 1000 N 400 N 300 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Voltage across the inductance Both of the listed here None of the listed here Magnetic field Voltage across the inductance Both of the listed here None of the listed here Magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 30 mH 38 mH 36 mH 48 mH 30 mH 38 mH 36 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 12 mH 3 mH 48 mH 24 mH 12 mH 3 mH 48 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Greater the flux produced by it Lesser its weber-turns Longer the delay in establishing steady current through it Lower the e.m.f. induced Greater the flux produced by it Lesser its weber-turns Longer the delay in establishing steady current through it Lower the e.m.f. induced ANSWER DOWNLOAD EXAMIANS APP
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