Keep the curiosity alive (Pages 58-61) Fill in the blanks: Class 8

An electromagnet, using a single cell, attracts more iron paper clips than the same electromagnet with a battery of 2 cells. (True/False)

Fill in the blanks

1. The solution used in a voltaic cell is called .............

Answer:

electrolyte

2. A current carrying coil behaves like a .............

Answer:

magnet

Choose the correct option:

1. Dry cells are less portable compared to Voltaic cells. (True/False)

Answer:

False (Dry cells are more portable as they use a paste electrolyte and are compact)

(ii) A coil becomes an electromagnet only when electric current flows through it. (True/False)

Answer:

True

(iii) An electromagnet, using a single cell, attracts more iron paper clips than the same electromagnet with a battery of 2 cells. (True/False)

Answer:

False (More cells provide stronger current, leading to a stronger magnetic field and more attraction.)