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प्रश्न
In which direction does conventional current flow around a circuit?
उत्तर
The direction of conventional current is from the positive terminal of a cell or battery to the negative terminal through the outer circuit.
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संबंधित प्रश्न
In the circuit diagram given below, three resistors R1, R2, and R3 of 5 Ω, 10 Ω and 30 Ω, respectively are connected as shown
Calculate:
- current through each resistor.
- total current in the circuit.
- total resistance in the circuit.
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line.
(d) Which circuit would have less current in it?
Match the pairs.
| ‘A’ Group | ‘B’ Group |
| 1. Free electrons | a. V/R |
| 2. Current | b. Increases the resistance in the circuit |
| 3. Resistivity | c. Weakly attached |
| 4. Resistances in series | d. VA/LI |
Tick(✓) the correct choice in the following:
The outer casing of an electric iron is generally connected to earth in order
to
Define electric current and give its unit.
One unit of electrical energy consumed is equal to 1000 kilowatt-hour.
For current to flow, one needs art open circuit.
