Physics MCQs

852 MCQs  (Page 53 of 86)

Attempt Physics Quiz
A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?
A. 2.0 ma
B. 20 ma
C. 200 ma
D. 0.2 ma
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Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?
A. Bina cosa
B. Bina sina
C. Bina tana
D. Bina
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A galvanometer basically is an instrument used to ____________________?
A. Detect current in a circuit
B. Measure current flowing through a circuit
C. Measure voltage across a circuit
D. Measure potential difference between two points in a circuit
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A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?
A. (f1+f2) (121+122)
B. (f1+f2) (122-112)
C. (f1+f2) (12-11)
D. (f1+f2) (12-11)
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Any alteration produced in shapes length or volume when a body is subjected to some external force is called____________________?
A. Stiffness
B. Toughness
C. Extension
D. Deformation
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The curie temperature is that at which ____________________?
A. Semi-conductor becomes conductors
B. Ferromagnetic becomes paramagnetic
C. Paramagnetic becomes diamagnetic
D. Metals become super conductor
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Coercive force is the force which opposes ____________________?
A. Demagnetization
B. Breakage
C. Extension
D. Surface cracking
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The bulk properties of materials such as their mode of fracture can be related to their____________________?
A. Polymerization
B. Cleavage
C. Microstructure
D. Dislocation
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The breaking of crystals along definite direction is called _____________________?
A. Cleavage
B. Symmetry
C. Isotropy
D. Homogeneity
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In simple cube one atom or molecule lies at its______________________?
A. Force corners
B. Nine corners
C. Eight corners
D. Six corners
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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