Draw the symbol of
(i) open plug key
(ii) closed plug key
What does each situation mean?
When plug key is open, no current flows through the circuit and when plug key is closed, current flows through the circuit.
Draw the symbol of
(i) open plug key
(ii) closed plug key
What does each situation mean?
When plug key is open, no current flows through the circuit and when plug key is closed, current flows through the circuit.