What is a solar cell? Gives its uses.

Important Questions on Electricity and Circuits

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>EXERCISE>Q 1

Differentiate between an open and a closed circuit.

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>EXERCISE>Q 2

Name and describe different types of cells.

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>EXERCISE>Q 3

State the three conditions required for electric current to flow.

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>EXERCISE>Q 4

Why do we need to be careful around electrical devices?

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>THINK AND ANSWER>Q 1

Why is it that a direct current (cell or battery) is used to carry out experiments in our laboratories?

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>THINK AND ANSWER>Q 2

Why are solar panels used in spacecraft and satellites and not car batteries?

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>THINK AND ANSWER>Q 3

Iron is a widely available metal and good conductor of electricity. Why do we then use copper to make electric wires and not iron?

EASY

6th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 12 - Electricity and Circuits>DISCUSS>Q 1

Which is more convenient: dry electrical cell or a car battery which has liquid chemicals in it? Give reasons.