Options:
- A. The exact value of the current
- B. RMS value of the current
- C. The net value of the current
- D. The peak value of the current
View Answer
B. RMS value of the current
Physics
The direction of a vector in space is specified by_______________?
Options:
- A. One angle
- B. Two angle
- C. Three angle
- D. No angle
View Answer
C. Three angle
When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?
Options:
- A. Same
- B. Different
- C. At L will be more than at C
- D. At L will be less than at C
View Answer
A. Same
A vector can be multiplied by a number. The number may be_______________?
Options:
- A. Dimensionless
- B. Dimensional scalar
- C. Negative
- D. All A, B and C are correct
View Answer
D. All A, B and C are correct
What is the self-inductance of a coil in which an induced emf of 2V is set up when the current changes at the rate of 4 As-1 ?
Options:
- A. 0.5 mH
- B. 0.5H
- C. 2.0H
- D. 8.0H
View Answer
B. 0.5H
Unit vector n^ is along______________?
Options:
- A. X-axis
- B. Normal on a surface
- C. Y-axis
- D. Z-axis
View Answer
B. Normal on a surface
The sensitivity of a galvanometer is given by__________________?
Options:
- A. C/BAN
- B. CAN/B
- C. BAN/C
- D. ABC/N
View Answer
A. C/BAN
A changing magnetic flux produces around itself an induced_______________?
Options:
- A. Magnetic field
- B. Electric field
- C. Electromagnetic force
- D. Artificial gravitational field
View Answer
C. Electromagnetic force
Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?
Options:
- A. 0.1 A
- B. 1:00 AM
- C. current sensitivity
- D. 1 m A
View Answer
C. current sensitivity
The direction of propagation of an electromagnetic waves is________________?
Options:
- A. Perpendicular to electric field
- B. Perpendicular to both electric and magnetic field
- C. Perpendicular to magnetic field
- D. Parallel to electric and magnetic field
View Answer
B. Perpendicular to both electric and magnetic field