| 1 |
Grid in cathode ray oscilloscope controls. |
- A. Number of electron
- B. Temperature of filament
- C. Frequency of electron
- D. Energy of electrons
|
| 2 |
The galvanometer can be made sensitive by making the factor BAN/C |
- A. Large
- B. Small
- C. Constant
- D. Zero
|
| 3 |
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
|
| 4 |
Shunt resistance is |
- A. Low resistance
- B. Zero resistance
- C. High resistance
- D. Impedance
|
| 5 |
The Weber is unit of measure of: |
- A. Conductance
- B. Electric current
- C. Magnitic flux
- D. Electric flux
|
| 6 |
The sensitivity of Galvanometer can be increased by: |
- A. Increasing C/BAN factor
- B. Decreasing C/BAN factor
- C. Increasing angle θ
- D. All of above
|
| 7 |
Magnetic induction can be measured in units of. |
- A. Tesla
- B. Gauss
- C. Weber/m2
- D. All of the above
|
| 8 |
A sensitive galvanometer is |
- A. Unstable
- B. Stable
- C. Moderate
- D. Both B and C
|
| 9 |
The SI unit of magnetic induction Tesla is equal to |
- A. N-1 Am
- B. NA m2
- C. NA-1n2
- D. NA-1m-1
|
| 10 |
Which one has the least resistance. |
- A. Galvanometer
- B. Ammeter
- C. Ohm meter
- D. Volta meter
|