Electricity in Our Daily Life

Q.

What is a charged atom called?

Q. Which of the following does NOT produce electrical energy?

1. Generator
2. LED
3. Battery
4. Cell

Q.

An atom is neutral but an ion is a charged species

1. True
2. False

Q.

An atom is electrically _______

Q. Consider a current of cars is going from point A to point B on a highway. Then each car's motion will be in .

1. parallel
2. random direction
3. one direction

Q. quantization charge explain in detail

Q. Name the charge carries of electric current in
i) Silver oil
ii) Hydrogen discharge tube
iii) Germanium semiconductor
iv) Write made of alloy nichrome
v) Semiconductor

Q. Electrons are particles.

1. positively charged
2. negatively charged
3. infinitely charged
4. neutral

Q. Which of the following is the input and output of an electric bell respectively?

1. Mechanical energy
   Sound energy
2. Electrical energy
   Mechanical energy
3. Electrical energy
   Sound energy
4. Electrical energy
   Magnetic energy

Q. Which of the following energy conversions take place in a torch?

1. $\text{Electrical}\to \text{Chemical}\to \text{Light}$
2. $\text{Chemical}\to \text{Electrical}\to \text{Light}$
3. $\text{Light}\to \text{Chemical}\to \text{Electrical}$
4. $\text{Electrical}\to \text{Light}\to \text{Chemical}$

Q. Why do electricians wear rubber gloves?

1. They are insulators.
2. They are waterproof.
3. They are soft.
4. They are inexpensive.

Q. Electrons are particles.

1. positively charged
2. negatively charged
3. infinitely charged
4. neutral

Q.

how does the free eelectrons of a metal helps in conduction of electric current?