Current electricity

1. The SI unit of resistance is _____________

• metre

• Ohm

• pascal

• newton

2. The macroscopic form of ohm's law is __________

• ρ = 1/σ

• V=IP

• V=IR

• J= I/A

3. Materials that do not obey ohm's law are said to be _________ material.

• Ohmic

• Non - Ohmic

• Zero

• Conductor

4. Resistivity for

• 10 ¹⁴

• 640

• 2.5 X 10 ⁵

• 0

5. The SI unit of resistivity is _____________.

• Ohm

• metre

• Ohm / metre

• Ohm metre

6. The symbol of resistivity is ____________

• Θ

• Ψ

• ρ

• σ

7. The ___________________ has lowest resistivity.

• conductor

• insulator

• semiconductor

• all the obove

8. The value of equivalent resistance in series connection will be ________________ than each individual resistance.

• lesser

• greater

• zero

• equal

9. The third ring in the resistor indicates the ____________.

• significant figure

• tolerance

• multiplier

• resistivity

10. In resistor tolerance of silver is _________________

• 10

• 10^-1

• 10^-2

• 10%