10 Questions
What is the unit used to measure electrical resistance?
Ohms
Which type of circuit provides a continuous path for current flow?
Closed circuit
What does an open circuit refer to?
A circuit with interrupted current flow
In electrical safety practices, why is it recommended to shut off the power to a circuit before performing any work on it?
To avoid electric shocks
What is a short circuit in an electric circuit?
An accidental connection between points of different potential
Why is it important to verify that a circuit has been secured in a Zero Energy State before performing any work on it?
To avoid injuries from electricity
What type of connection can cause damage to electrical components in a circuit?
Short circuit
Why is it important for power circuits to have a designated point that is grounded?
To ensure one side of the circuit is always at ground potential
Why does electric shock only occur when there is contact between two points of a circuit?
By the application of voltage across a victim’s body
What can cause death by electrocution in regular businesses and homes?
The available electrical current and voltage
Test your knowledge on electronics components such as pins, sockets, LEDs, and breadboard layouts and connectivity. Includes questions on calculating current flow in circuits with different voltage and resistor values.
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