To operate DC and AC load with the help of Push-to-ON and OFF switch and a Switching Relay with holding circuit.

Q1. Which of the following components is essential for operating a DC load using a push-to-ON switch?

a. Relay

b. Capacitor

c. Resistor

d. Inductor

Q2. What type of switch is used to start the operation of a load?

a. Push-to-OFF switch

b. Push-to-ON switch

c. Toggle switch

d. Rotary switch

Q3. In an AC load circuit, what is the role of the relay?

a. To increase the voltage

b. To decrease the current

c. To switch the load on and off

d. To stabilize the frequency

Q4. Why is it important to use a relay in a load switching circuit?

a. To reduce power consumption

b. To isolate control circuit from power circuit

c. To increase the switching speed

d. To reduce the current

Q5. Which type of relay is commonly used to switch between AC and DC loads?

a. Solid state relay

b. Reed relay

c. Time delay relay

d. Electromechanical relay