Question

State whether true or false :

A bulb is used in place of LED to detect weak currents.

• A. True
• B. False

Answer 1

The correct option is B False

A bulb is cannot be used in place of LED to detect weak currents because at weak current supply bulb cannot glow. Bulb requires specific minimum current to glow. but LED can glow at weak currents at low intensity hence Led is uesd to detect weak currents.