### Class XII

Which activity did we discover what objects are conductors and what objects are nonconductors?
1. Paper-Clip Switch
2. Simple Circuits
3. Solid Conductors
4. Series and Parallel Circuits
An ammeter and a voltmeter are joied in series to a cell . Their readings are A and V respectively . If a resistance is now joined in parallel with the voltmetar ,
1. both A and V will increase
2. both A and V will decrease
3. A will decreases , V will increase
4. A will increase , V will decrease
A circuit that has only one electric flow is _________.
1. series circuit
2. paper circuit
3. parallel circuit
4. battery circuit
In Series Circuit, which of the following quantity remains same through out the circuit:
1. None
2. Current
3. Current and Voltage
4. Voltage
When a load is connected to a voltage divider, the total resistance of the circuit will:
1. decrease
2. increase
3. remain the same
4. double
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