Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
PUNJAB BOARD PREVIOUS YEAR PAPERS-Electric Current, Resistance and E.M.F. -Exercise
- Standard resistance coils are made up of which material why ?
Text Solution
|
- What is the effect of the temperature on resistivity of metals
Text Solution
|
- What is the effect of the temperature on resistivity of semiconductors...
Text Solution
|
- Why connecting wires are made up of copper ?
Text Solution
|
- What is resistance of a wire ? What are the factors on which resistanc...
Text Solution
|
- What is the difference between emf of a cell and potential difference ...
Text Solution
|
- What is resistivity of a wire ? What are the physical conditions on wh...
Text Solution
|
- What are the factors on which the resistance of the conductor depends ...
Text Solution
|
- Distinguish between emf and potential difference.
Text Solution
|
- Explain colour code for carbon resistor .
Text Solution
|
- Establish the relation between drift velocity of electrons and electri...
Text Solution
|
- A large number of free electrons are present in metals.Why is there no...
Text Solution
|
- What is a drift velocity ? Establish the relations between the drift v...
Text Solution
|
- Why connecting wires are made up of copper ?
Text Solution
|
- What are ohmic and non-ohmic devices ? Give one example of each.
Text Solution
|
- What is the resistance of a conductor? State the factors on which resi...
Text Solution
|
- Which out of the following is used to make standard resistance
Text Solution
|
- Why connecting wires are made up of copper ?
Text Solution
|
- Standard resistance coils are made up of which material why ?
Text Solution
|
- What is the internal resistance of a cell ? Derive an expression for i...
Text Solution
|