Advertisements
Advertisements
प्रश्न
How many electrons are passing per second in a circuit in which there is a current of 5 A?
Advertisements
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
Draw the circuit diagram to represent the circuit shown in the figure.
An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.
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.
What is a battery?
In which of the following case the bulb will glow :
State the function of each of the following in an electric circuit and draw its symbolic representation: (1) Switch and (2) Cell.
Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to indicate the direction of flow of current.
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
A combination of two or more cells is called a ______.
Visit an electric shop. Request an electrician to show you the various types of fuses and MCB and to explain how they work.
