Advertisements
Advertisements
प्रश्न
How many electrons are passing per second in a circuit in which there is a current of 5 A?
उत्तर
A current 1018 electrons
A current of 5A consists
= 5 × 6.25 × 1018 electrons = 31.25 × 1018
Number of electrons passing per second
= 31.25 × 1018 electrons
APPEARS IN
संबंधित प्रश्न
The combination of two or more cells is called a ______.
Zubeda made an electric circuit using a cell holder shown in Figure, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.
Write true or false for a given statement.
Wool is a conductor of electricity.
In which of the following case the bulb will glow :
The diagram given below shows a bulb connected with a cell having terminals A and B. Mark the direction of current in the bulb.
State the function of each of the following in an electric circuit and draw its symbolic representation: (1) Switch and (2) Cell.
Mark the correct choice
- Assertion: In a simple battery circuit the point of highest potential is the positive terminal of the battery.
- Reason: The current flows towards the point of the highest potential
______ are used to connect devices.
Identify the circuit in which the electrical components have been properly connected.
 |
 |
 |
 |
| (i) | (ii) | (iii) | (iv) |
Draw the symbols of the following circuit components.
electric cell
