Explain the significance of the following in a house circuiting. (i) `kWh` Meter (ii) Main Switch.

State the function of each of the following in a house circuiting: kWh meter

Explain the following : (ii) Short circuit

State the significance of the following devices in domestic circuits : (i) Main switch (ii) Main fuse (iii) Electricity meter

State the function of each of the following in a house circuiting: main switch.

Give the significance of the electric meter in a domestic circuit.

Explain the significance of 'n' and 'I' quantum numbers.

Write the significance of the followings. i. Microvilli ii. Goblet cells.

If the switch in the following circuit is turned off, then