Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

Electromagnetic Field Theory
Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

Equal joule heating occurs in both coils.

An emf is induced in both coils.

Joule heating does not occur in each of the coils.

An emf is induced in split coil.

Equal joule heating occurs in both coils.

An emf is induced in both coils.

Joule heating does not occur in each of the coils.

An emf is induced in split coil.

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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

450.

150.

600.

300.

450.

150.

600.

300.

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Electromagnetic Field Theory
An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be

28.8 V.

14.40 V.

1.4 V.

2.88 V.

28.8 V.

14.40 V.

1.4 V.

2.88 V.

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Electromagnetic Field Theory
The Kirchhoff’s current law is implict in expression

Divergence of B = 0.

Divergence of D = ρv.

Curl of H = J + (δ D)/(δ t).

Surface integral of (j.ds) = 0.

Divergence of B = 0.

Divergence of D = ρv.

Curl of H = J + (δ D)/(δ t).

Surface integral of (j.ds) = 0.

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Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at

midway between the conductor and ground.

the ground surface.

lower surface of the conductor.

upper surface of the conductor.

midway between the conductor and ground.

the ground surface.

lower surface of the conductor.

upper surface of the conductor.

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Electromagnetic Field Theory
A square corner reflector is used in

All of these

Point to point communication

Tv broadcast

Radio astronomy

All of these

Point to point communication

Tv broadcast

Radio astronomy

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Electromagnetic Field Theory

Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

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

Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be

Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression

Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at

Electromagnetic Field Theory A square corner reflector is used in

Electromagnetic Field Theory
Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

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

Electromagnetic Field Theory
An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be

Electromagnetic Field Theory
The Kirchhoff’s current law is implict in expression

Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at

Electromagnetic Field Theory
A square corner reflector is used in