Options:
- A. 4?x10-9 WbA-1m-1
- B. 4?x10-7 WbA-1m-1
- C. 4?x10-10 WbA-1m-1
- D. 4?x10-8 WbA-1m-1
View Answer
B. 4?x10-7 WbA-1m-1
Physics
If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?
Options:
- A. Twice
- B. One half
- C. Four times
- D. None
View Answer
B. One half
Ammeter connected in an AC circuit measures______________?
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
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
The magnitude of i^. (j^ x k^) is________________?
Options:
- A. 0
- B. 1
- C. -1
- D. i^
View Answer
B. 1
The dimension of torque is______________?
Options:
- A. [ML2T-2]
- B. [MLT-2]
- C. [ML2T]
- D. [ML-2T-2]
View Answer
A. [ML2T-2]
The energy liberated when one atom of U-235 undergoes fission reaction is________________?
Options:
- A. 200MeV
- B. 40MeV
- C. 30MeV
- D. 20MeV
View Answer
A. 200MeV
Which of the following is not conservative force_________________?
Options:
- A. friction
- B. electric
- C. gravitational
- D. magnetic
View Answer
A. friction
Work done on the body equals to the _____________________?
Options:
- A. change in its K.E always
- B. change in its P.E always
- C. change in its K.E and change in its P.E
- D. neither change in K.E and nor change in its P.E
View Answer
C. change in its K.E and change in its P.E
What are the dimensions of stress ?
Options:
- A. MLT-2
- B. ML-2T-1
- C. ML-1T-2
- D. ML-T-1
View Answer
C. ML-1T-2