1000+ Electromagnetic-theory Questions

Electromagnetic-theory Questions Set 5:

Quiz Mode

The expression for intrinsic impedance is given by

√(με)

(με)

√(μ/ε)

√(ε/μ)

Solution:

The susceptibility of a diamagnetic substance is

Zero

Negative

Less than 1

Greater than 1

Solution:

The current flowing through a lamp with a power rating of 50 W and a voltage rating of 250 V is:

0.2 A

2.4 A

2 A

5 A

Solution:

To locate a point with reference to another point is an example of which coordinate system?

Cartesian

Spherical

Cylindrical

All of the above

Solution:

An unpolarized beam of intensity I_o is incident on a pair of Nicol prisms making an angle of 60 degrees with each other.
The intensity of light emerging from the pair is

I_o

I_o/2

I_o/4

I_o/8

Solution:

Following type of motor is used where high starting torque and wide speed range control is required?

(a) Single phase capacitor start

(b) Induction motor

(d) DC motor

Solution:

Which of the following represents the unit vector that extends from the origin to the point with coordinates (2, -2, 1)?

2a_x - 2a_y + 2a_z

-2a_x + 2a_y - a_z

2a_x - 2a_y + a_z

(2/3)a_x - (2/3)a_y + (1/3)a_z

Solution:

The principle where a static conductor and a varying magnetic field induces an electromotive force (emf) is called:

Virtually induced emf

Dynamically induced emf

Statically induced emf

None of these

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. This particle will:

Move in a circular path with a decreased speed

Move in a circular path with an increased speed

Move in a circular path with a uniform speed

Get deflected in a vertically upward direction

Solution:

When a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle starts rotating with a velocity:

equal to that of the disc and in the same direction

equal to that of the disc and in the opposite direction

less than that of the disc and in the same direction

less than that of the disc but in the opposite direction

Electromagnetic-theory Questions Set 5:

The expression for intrinsic impedance is given by

Solution:

The susceptibility of a diamagnetic substance is

Solution:

The current flowing through a lamp with a power rating of 50 W and a voltage rating of 250 V is:

Solution:

To locate a point with reference to another point is an example of which coordinate system?

Solution:

An unpolarized beam of intensity I_o is incident on a pair of Nicol prisms making an angle of 60 degrees with each other.
The intensity of light emerging from the pair is

Solution:

Following type of motor is used where high starting torque and wide speed range control is required?

Solution:

Which of the following represents the unit vector that extends from the origin to the point with coordinates (2, -2, 1)?

Solution:

The principle where a static conductor and a varying magnetic field induces an electromotive force (emf) is called:

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. This particle will:

Solution:

When a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle starts rotating with a velocity:

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 5:

The expression for intrinsic impedance is given by

Solution:

The susceptibility of a diamagnetic substance is

Solution:

The current flowing through a lamp with a power rating of 50 W and a voltage rating of 250 V is:

Solution:

To locate a point with reference to another point is an example of which coordinate system?

Solution:

An unpolarized beam of intensity Io is incident on a pair of Nicol prisms making an angle of 60 degrees with each other.The intensity of light emerging from the pair is

Solution:

Following type of motor is used where high starting torque and wide speed range control is required?

Solution:

Which of the following represents the unit vector that extends from the origin to the point with coordinates (2, -2, 1)?

Solution:

The principle where a static conductor and a varying magnetic field induces an electromotive force (emf) is called:

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upwards. This particle will:

Solution:

When a copper disc is rotated rapidly below a freely suspended magnetic needle, the magnetic needle starts rotating with a velocity:

Solution:

Related Question Sets:

Related Topics:

An unpolarized beam of intensity I_o is incident on a pair of Nicol prisms making an angle of 60 degrees with each other.
The intensity of light emerging from the pair is