Podcast
Questions and Answers
Which symbol correctly represents an ammeter in a circuit diagram?
Which symbol correctly represents an ammeter in a circuit diagram?
- A rectangle with an 'V' inside
- A rectangle with an 'A' inside
- A circle with an 'A' inside (correct)
- A circle with a 'V' inside
When switch R is closed, and both switches S and T are open, what is the state of lamp K?
When switch R is closed, and both switches S and T are open, what is the state of lamp K?
- On
- Blinking
- Off (correct)
- Partially on
If all three switches, R, S, and T are closed, which lamps will be lit?
If all three switches, R, S, and T are closed, which lamps will be lit?
- Only lamps J and L (correct)
- Only lamps J and K
- Only lamp J
- All lamps, J, K, and L
To measure the voltage across lamp J, how should a voltmeter be connected?
To measure the voltage across lamp J, how should a voltmeter be connected?
When switch S is closed and both switches R and T are open, which lamps are on?
When switch S is closed and both switches R and T are open, which lamps are on?
Flashcards
Ammeter symbol
Ammeter symbol
The symbol for an ammeter used in circuits to measure current.
Switch states
Switch states
The states 'open' or 'closed' of switches in a circuit.
Lamp states
Lamp states
The states 'on' or 'off' of lamps in a circuit.
Voltmeter connection
Voltmeter connection
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Lamp J voltage measurement
Lamp J voltage measurement
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