Physics-
General
Easy
Question
In the given figure the electron enters into the magnetic field. It deflects in direction:
- positive x-direction
- negative x-direction
- positive y-direction
- negative y-direction
The correct answer is: negative y-direction
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Physics-
There is a magnetic field acting in a plane perpendicular to this sheet of paper, downward into the paper as shown in figure. Particles in vacuum move in the plane of paper from left to right. The path indicated by the arrow could be traveled by:
There is a magnetic field acting in a plane perpendicular to this sheet of paper, downward into the paper as shown in figure. Particles in vacuum move in the plane of paper from left to right. The path indicated by the arrow could be traveled by:
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The magnetic induction at the centre O of the current carrying bent wire shown in the following diagram is:
The magnetic induction at the centre O of the current carrying bent wire shown in the following diagram is:
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Three long straight wires A,B and C are carrying currents as shown in the figure. The resultant force on B is directed:
Three long straight wires A,B and C are carrying currents as shown in the figure. The resultant force on B is directed:
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An ammeter of range 5 A is to be converted into an ammeter of range 10 V. If the resistance of ammeter be 0.1 
, then what resistance should be converted in series with it?
An ammeter of range 5 A is to be converted into an ammeter of range 10 V. If the resistance of ammeter be 0.1 , then what resistance should be converted in series with it?
Physics-General
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In the following figure, the value of resistor to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is
In the following figure, the value of resistor to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is
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Figure shows three resistor configurations R1,R2 and R3 connected to 3 V battery. If the power dissipated by the configuration R1 R2 and R3 is P1,P2 and P3, respectively, then (figure) :
Figure shows three resistor configurations R1,R2 and R3 connected to 3 V battery. If the power dissipated by the configuration R1 R2 and R3 is P1,P2 and P3, respectively, then (figure) :
Physics-General
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The three resistances of equal value are arranged in the different combinations shown in figure. Arrange them in increasing order of power dissipation :
I) 
II) 
III) 
IV) 
The three resistances of equal value are arranged in the different combinations shown in figure. Arrange them in increasing order of power dissipation :
I)
II)
III)
IV)
Physics-General
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If in the circuit, power dissipation is 150 W, then R is :
If in the circuit, power dissipation is 150 W, then R is :
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For maximum power dissipated in the external load of resistance R, R =
For maximum power dissipated in the external load of resistance R, R =
Physics-General
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Two cells of emf 4 V and 6 V are connected to an external load R = ¾ ohm. If = ¼ ohm the power dissipated in the load is
Two cells of emf 4 V and 6 V are connected to an external load R = ¾ ohm. If = ¼ ohm the power dissipated in the load is
Physics-General
General
The property of attracting or repelling objects on rubbing is called_____________.
The property of attracting or repelling objects on rubbing is called_____________.
GeneralGeneral
Physics-
In the given circuit, the voltmeter records 5 V. The resistance of the voltmeter (in ohms) is
In the given circuit, the voltmeter records 5 V. The resistance of the voltmeter (in ohms) is
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A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively. When same potential difference is applied between x and y, the voltmeter readings are VA, VB and VC. Then 
A, B and C are voltmeters of resistance R, 1.5 R and 3R respectively. When same potential difference is applied between x and y, the voltmeter readings are VA, VB and VC. Then
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In the figure, if the ammeter reads 5 A and voltmeter reads 50 V, then the resistance R is
In the figure, if the ammeter reads 5 A and voltmeter reads 50 V, then the resistance R is
Physics-General
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In the circuit shown, the reading of the voltmeter V is
In the circuit shown, the reading of the voltmeter V is
Physics-General
