| 1 |
Shunt resistance is |
- A. Low resistance
- B. Zero resistance
- C. High resistance
- D. Impedance
|
| 2 |
The name of the scientist who noted that a compass needle was deflected when placed near the current carrying conductor |
- A. Henry
- B. Faraday
- C. Coloumb
- D. Oersted
|
| 3 |
Torque is produced in a current carrying coil when it is placed in a |
- A. Magnetic field
- B. Electric field
- C. Gravitational field
- D. Nuclear field
|
| 4 |
The dimensions of magnetic flux are |
- A. M<sup>1</sup>L<sup>-2</sup>T<sup>1</sup>A<sup>1</sup>
- B. MLT<sup>-2</sup>A<sup>-1</sup>
- C. ML<sup>2</sup>T<sup>2</sup>A<sup>-1</sup>
- D. ML<sup>2</sup>T<sup>-2</sup>A<sup>-1</sup>
|
| 5 |
Current passing through the coil of galvanometer |
- A. CO/BAN
- B. CoN /BA
- C. NAB/CO
- D. AN/BCO
|
| 6 |
The e/m of a neutron is |
- A. Less than electron
- B. The same as electron
- C. Zero
- D. Greater than election
|
| 7 |
The magnetic field is uniform and stronger |
- A. Outside the solenoid
- B. Inside the solenoid
- C. At the central part of the solenoid
- D. None of these
|
| 8 |
μ<sub>∘ </sub>(Ampere's constant) has value. |
- A. 4πx10<sup>-7</sup> WbA<sup>-1</sup>m<sup>-1</sup>
- B. 4πx10<sup>-17</sup> Wbm<sup>2</sup>
- C. 4πx10<sup>7</sup> WbA<sup>-1</sup>m<sup>-1</sup>
- D. 4πx10-27 Wb/m<sup>2</sup>
|
| 9 |
The torque in the coil can be increased by increasing: |
- A. No. of turns
- B. Current and magnetic field
- C. Area of coil
- D. All of the above
|
| 10 |
Magnetic flux density at a point due to current carrying coil is determined by |
- A. Ampere's law
- B. Faraday's law
- C. Lenz's law
- D. Gauss's law
|
