Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory
Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

225.

250.

145.

150.

225.

250.

145.

150.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

same as that produced by one plate.

double the field produced by one plate.

zero.

dependent on coordinates of field points.

same as that produced by one plate.

double the field produced by one plate.

zero.

dependent on coordinates of field points.

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Electromagnetic Field Theory
How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m?

1mA.

2.5 mA.

2 mA.

1.5 mA.

1mA.

2.5 mA.

2 mA.

1.5 mA.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

Reactive power of the circuit is zero.

Apparent power of the circuit is zero.

Any capacitance even if present in the circuit will not be charged.

Actual power of the circuit is zero.

Reactive power of the circuit is zero.

Apparent power of the circuit is zero.

Any capacitance even if present in the circuit will not be charged.

Actual power of the circuit is zero.

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Electromagnetic Field Theory
A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m?

1.39 m.

1.59 m.

1.29 m.

1.19 m.

1.39 m.

1.59 m.

1.29 m.

1.19 m.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be

50 mH.

150 mH.

200 mH.

100 mH.

50 mH.

150 mH.

200 mH.

100 mH.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory

Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m?

Electromagnetic Field Theory Which of following is true for a purely inductive circuit ?

Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m?

Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be

Electromagnetic Field Theory
Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory
Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

Electromagnetic Field Theory
How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m?

Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

Electromagnetic Field Theory
A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m?

Electromagnetic Field Theory
In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be