Short Circuit

What is a short circuit?

• A circuit with a high resistance path

• A circuit with a low resistance path

• A circuit with no resistance

• A circuit with infinite resistance

Which of the following is a common cause of a short circuit?

• Open switch

• Insulated wires

• Exposed wires

• Resistors

What happens to the current in a short circuit?

• It decreases

• It remains the same

• It increases significantly

• It stops completely

Which device is used to prevent damage from short circuits?

• Resistor

• Capacitor

• Fuse

• Inductor

In a short circuit, what happens to the voltage across the circuit?

• It increases

• It decreases

• It becomes zero

• It becomes infinite

What is the role of a fuse in a circuit?

• To increase current

• To decrease voltage

• To break the circuit in case of a short circuit

• To store energy

Which material is most likely to cause a short circuit if it comes into contact with electrical components?

• Plastic

• Wood

• Metal

• Glass

What is the potential danger of a short circuit?

• Reduced power consumption

• Increased efficiency

• Overheating and fire

• Improved conductivity

How can short circuits be detected in a circuit?

• By measuring high resistance

• By measuring low resistance

• By checking for open circuits

• By checking for high voltage

What is the effect of a short circuit on electrical appliances?

• They operate normally

• They may get damaged

• They become more efficient

• They consume less power