Chemistry
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A meter bridge works on which principle?
Answer: C. Whetstone bridge A meter bridge works on whetstone bridge principle.
Answer: C. Whetstone bridge
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Kirchoff’s first law obey’s the law of conservation of:
Answer: C. Electric charge Kirchoff's first law obey's the law of conservation of electric charge.
Answer: C. Electric charge
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The resistivity of metallic conductor varies with temperature as:
Answer: A. Directly The resistivity of metallic conductor varies with temperature as directly.
Answer: A. Directly
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Which bulb has larger resistance?
Answer: B. Dim bulb Dim bulb has larger resistance.
Answer: B. Dim bulb
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Electric current has magnitude as well as direction. It is a
Answer: A. Scalar Electric current has magnitude as well as direction. It is a scalar.
Answer: A. Scalar
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To convert a galvanometer into an ammeter we connect:
Answer: B. Low resistance in series To convert a galvanometer into an ammeter we connect low resistance in series.
Answer: B. Low resistance in series
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The medium between a parallel plate capacitor is air, which is replaced by oil, then its capacitance :
Answer: A. Increase The medium between a parallel plate capacitor is air, which is replaced by oil, then its capacitance increases.
Answer: A. Increase
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The capacitance of parallel plate capacitor does not depend on:
Answer: D. Metal of the plate The capacitance of a parallel plate capacitor does not depend on metal of the plate.
Answer: D. Metal of the plate
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The dielectric constant of water is
Answer: C. 80 The dielectric constant of water is 80.
Answer: C. 80
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In bringing an electron towards another electron the electrostatic potential energy of the system.
Answer: B. Increase In bringing an electron towards another electron the electrostatic potential energy of the system increase.
Answer: B. Increase
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