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- 1. Multiple Choice
Current is expressd in Ampere.....
I
A
V
R
- 2. Multiple Choice
Unit of charge in SI unit is.....
Coulomb C
Resistivity ρ
Ampere A
Potential difference V
- 3. Multiple Choice
Symbol for the potential differences is .....
I
V
R
C
- 4. Multiple Choice
This is known as ohm's law.....
V = I + R
V = I ÷ R
V = I - R
V = I × R
- 5. Multiple Choice
The unit of resistivity in SI unit is......
Ohm meter
Ametre
Voltmetre
Metre
- 6. Multiple Choice
Those substances which have very low resistance are called as.....
Conductors
Insulators
Ametre
Voltmetre
- 7. Multiple Choice
Those substances which have extremely high resistance are called as.....
Ametre
Insulator
Conductors
Current
- 8. Multiple Choice
Arrangement is used to increase the resistance in a circuit.
Resistors connected in parallel
Resistors connected in series
Resistors connected in alternate
Resistors connected in combination.
- 9. Multiple Choice
Arrangement used to reduce the resistance in a circuit
Resistors connected in alternate
Resistors connected in series
Resistors connected in parallel
Resistors connected in combination
- 10. Multiple Choice
The symbol used to express the current is......
V
I
R
C
- 11. Multiple Choice
Small value of current 1mA = ....
10³ A
10⁻⁶A
10⁻³A
10⁶A
- 12. Multiple Choice
Small value of current 1μA = ...
10⁻⁶A
10⁻³A
10⁶A
10³A
- 13. Multiple Choice
Small value of potential difference is expressed in 1mV = .........
10³V
10⁻⁶V
10⁻³V
10⁶V
- 14. Multiple Choice
Small value of potential difference is expressed in 1μV =.....
10⁻³
10³
10⁻⁶
10⁶
- 15. Multiple Choice
This is the formula for the effective resistance connected in .........
Rs = R1+ R2+ R3+ R4..... Rn.
Resisteres connected in series.
Resisteres connected in parallel.
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