Chemistry
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A dynamo works on the principal of
Answer: A. Self induction A dynamo works on the principle of self induction.
Answer: A. Self induction
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The role of inductance is equivalent to:
Answer: D. Inertia The role of inductance is equivalent to inertia.
Answer: D. Inertia
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The physical quantity expressed in henry is
Answer: D. Magnetic induction The physical quantity expressed in henry is magnetic induction.
Answer: D. Magnetic induction
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A strong magnetic field is applied to a stationary electron, then
Answer: C. The electrons remains stationary A strong magnetic field is applied to a stationary electron, then the electron remains stationary.
Answer: C. The electrons remains stationary
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In cyclotron gain in K.E is due to
Answer: B. Electric field In cyclotron gain in K.E is due to electric field.
Answer: B. Electric field
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Magnetic field does not exert force on a:
Answer: D. Stationary charge Magnetic field does not exert force on a stationary charge.
Answer: D. Stationary charge
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The sensitivity of a moving coil galvanometer can be increased by
Answer: A. Increasing the number of turns in the coil The sensitivity of a moving coil galvanometer can be increased by increasing the number of turns in the coil.
Answer: A. Increasing the number of turns in the coil
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If a moving charge enters a constant magnetic field, then
Answer: A. Its K.E changes If a moving charge enters a constant magnetic field, then its K.E changes.
Answer: A. Its K.E changes
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A cyclotron is used to accelerate
Answer: D. Both A.protons only and B.alpha particles only A cyclotron is used to accelerate both protons only and alpha particles only.
Answer: D. Both A.protons only and B.alpha particles only
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Line joining places of zero dip is called:
Answer: B. Aclinic Line joining places of zero dip is called aclinic.
Answer: B. Aclinic
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