MCQ
The main function of a switch is to:
- AAllow charges of flow
- ✓Complete or break a circuit
- CMake the bulb glow easily
- DPrevent electric shocks
A switch is a device that is used for making and breaking electric current in a circuit.
It is used to turn on and turn off daily used equipment like television, washing machine, fan, light, etc.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| S. No. | A | S. No. | B |
| (i) | Bacteria | (a) | Fixing nitrogen |
| (ii) | Rhizobium | (b) | Setting of curd |
| (iii) | Lactobacillus | (c) | Baking of bread |
| (iv) | Yeast | (d) | Causing malaria |
| (v) | A protozoan | (e) | Causing cholera |
| (vi) | A virus | (f) | Causing AIDS |
| (vii) | Penicillium | (g) | Producing antibiotics |