Advertisements
Advertisements
Question
Write an expression for calculating electrical power in terms of current and resistance.
Advertisements
Solution
Electrical power in terms of current and resistance is P = I2R.
RELATED QUESTIONS
If the equivalent resistance is to be increased, then the number of resistances should be connected in
- Series
- Parallel
- Mixed arrangement
- None of the above
Find the expression for resistors connected in series.
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
If five resistances, each of value 0.2 ohm, are connected in series, what will be the resultant resistance?
State how are the two resistors joined with a battery when same current flows in each resistor.
State expression for Cells connected in parallel.
Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell.
Draw a labelled circuit diagram showing the above arrangement.
Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell. Calculate the current in each resistor.
