Types of Switches

Q.

A device that is used to open or close circuits.

Q.

Where do we use a double pole switch?

Q. Switch is a device which can open or close a circuit.

1. False
2. True

Q. Which of the following is/are advantage(s) of a Miniature Circuit Breaker?

1. It can be manually or automatically reset.
2. It automatically breaks the circuit if there is overheating.
3. It needs to be replaced after every single operation.
4. It protects the appliances from large amounts of current.

Q.

MCB stands for ________.

1. Miniature Current Breaker

2. Miniature Current Blocker

3. Miniature Circuit Breaker

4. Miniature Circuit Blocker

Q. Switch is a device which can open or close a circuit.

1. False
2. True

Q. Switch is a device which can open or close a circuit.

1. True
2. False

Q. Switch is a device which can open or close a circuit.

1. False
2. True

Q.

Draw circuit diagram of a double pole switch.

Q.

Anjali visited her ancestral house in a small town. One day, all the lights got switched off in the evening. Her grandfather immediately checked the fuse and changed the fuse wire. The lights were on again. Anjali suggested her grandfather to use MCB in place of electric fuse.

a. Why miniature circuit breakers are being used in houses nowadays?

Q. Pair the following cards having switches with their usages.

1. Game stations
2. 
3. 
4. 
5. Door bells
6. Ceiling fans
7. High insulation
8. 

Q. Switch is a device which can open or close a circuit.

1. False
2. True

Q. Which of the following is/are advantage(s) of a Miniature Circuit Breaker?

1. It protects the appliances from large amounts of current.
2. It needs to be replaced after every single operation.
3. It automatically breaks the circuit if there is overheating.
4. It can be manually or automatically reset.