Question

1. One billionth of a second
2. The path of electric current
3. A safety device used in electric circuit
4. The coil of wire in an electric heater​

Answer 1

Answer:

Here is your answer

Explanation:

1. 1 nanosecond

2. circuit

3. fuse

4. Electric resistor

Hope it is helpful

Answer 2

here s answers for ur questions

1) 1 nanosecond

2) by the flow of electrons

3) fuse

4) Nichrome

Explanation:

hope u like it and follow me