Electric Fuse Quiz

Who invented the electric fuse?

• Nikola Tesla

• Alexander Graham Bell

• Thomas Alva Edison

• Michael Faraday

What is the primary function of a fuse?

• To increase electrical flow

• To protect circuits from over current and overload

• To generate electricity

• To reduce resistance in the circuit

What is the working principle of a fuse based on?

• Magnetic effect of current

• Heating effect of current

• Cooling effect of current

• Chemical effect of current

What does the diagram in the image represent?

• Types of electrical switches

• Symbols of resistors

• Different symbols of fuses

• Circuit breaker designs

What happens inside a fuse when there is an overcurrent in the circuit?

• The fuse wire remains intact.

• The fuse wire melts due to the heat generated.

• The fuse wire becomes more conductive.

• The fuse wire cools down.

What is the primary function of a fuse in a circuit during normal operation?

• To increase the resistance of the circuit.

• To disconnect the power supply.

• To act as a very low resistance component.

• To control the power rating of the system.

How is the proper rating size of a fuse for electrical appliances calculated?

• Power x Voltage

• (Power / Voltage) x 1.25

• Voltage / Power

• Power + Voltage

What would be the fuse rating for a 1000W load operating at 230V?

• 5.4A

• 4.3A

• 6.5A

• 7.2A

What is the primary function of the current carrying capacity of a fuse?

• To determine the physical size of the fuse

• To measure the amount of current a fuse can safely conduct without interrupting the circuit

• To indicate the maximum voltage a fuse can handle

• To control the environmental impact of the fuse

What does the breaking capacity of a fuse refer to?

• The minimum voltage a fuse can handle

• The maximum current that can safely be interrupted by the fuse

• The resistance level of the fuse

• The packaging size of the fuse