CBSE BOARD X, asked by ritikagoswami2006, 8 months ago

what do the following symbols mean in the circuit diagram?
plz answer fast ....

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Answers

Answered by kikibuji

3

Answer:

rheostat
open key or open circuit

Answered by ramadevi70206

1

Answer:

2. plug key or switch ( open)

1.variable resistance

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