The current in the adjoining circuit will be 

1. 145ampere

2. 115ampere

3. 110ampere

4. 15ampere

Subtopic:  Combination of Resistors |
 82%
PMT - 1991
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The reading of the ammeter as per figure shown is

1. 18A

2. 34A

3. 12A

4. 2 A

Subtopic:  Combination of Resistors |
 72%
From NCERT
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A current of 2 A flows in a system of conductors as shown. The potential difference (VAVB) will be 

1. +2 V

2. +1 V

3. –1 V

4. –2 V

Subtopic:  Kirchoff's Voltage Law |
 63%
From NCERT
PMT - 1975
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Four resistances are connected in a circuit in the given figure. The electric current flowing through 4 ohm and 6 ohm resistance is respectively 

1. 2 amp and 4 amp

2. 1 amp and 2 amp

3. 1 amp and 1 amp

4. 2 amp and 2 amp

Subtopic:  Combination of Resistors |
 80%
From NCERT
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In the given figure, when key K is opened, the reading of the ammeter A will be

1. 50 A

2. 2 A

3. 0.5 A

4. 109A

Subtopic:  Combination of Resistors |
 84%
From NCERT
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Three equal resistances each of value R are joined as shown in the figure. The equivalent resistance between M and N is 

1. R

2. 2R

3. R2

4. R3

Subtopic:  Combination of Resistors |
 78%
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The figure below shows currents in a part of electric circuit. The current i is

1. 1.7 amp

2. 3.7 amp

3. 1.3 amp

4. 1 amp

Subtopic:  Kirchoff's Current Law |
 90%
From NCERT
PMT - 1981
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For measurement of potential difference, the potentiometer is preferred in comparison to the voltmeter because:

1. the potentiometer is more sensitive than the voltmeter.

2. the resistance of the potentiometer is less than
    the voltmeter.

3. the potentiometer is cheaper than the voltmeter.

4. the potentiometer does not take current from the circuit.

Subtopic:  Meter Bridge & Potentiometer |
 61%
From NCERT
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In order to pass 10% of the main current through a moving coil galvanometer of 99 ohms, the resistance of the required shunt is :

1. 9.9 Ω

2. 10 Ω

3. 11 Ω

4. 9 Ω

Subtopic:  Conversion to Ammeter & Voltmeter |
 76%
From NCERT
PMT - 1994
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A galvanometer can be used as a voltmeter by connecting a :

1. High resistance in series

2. Low resistance in series

3. High resistance in parallel

4. Low resistance in parallel

Subtopic:  Conversion to Ammeter & Voltmeter |
 73%
From NCERT
PMT - 1993
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