WorksheetsCurrent electricity
Total questions: 10
Worksheet time: 5mins
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%
