Q501
Open questionWhich of the following is a unit of magnetic flux?
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Physics GK · all questionsElectricity and Magnetism
Electricity and Magnetism
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Q502
Open questionTransformer is used for
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Q503
Open questionElectric charge (Q) / time (t) = . . . . . . . .
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Q504
Open questionFind the resistance (in mega O) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ohm.
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Q505
Open questionFuse wire used for safety of household have
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Q506
Open questionWhat is the order of magnitude of electric resistance of the human body (dry)?
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Q507
Open questionWhich one of the following device is non-Ohmic?
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Q508
Open questionWhich one of the following is a good electrical conductor?
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Q509
Open questionWhich of the following statements regarding magnetic field is not correct?
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Q510
Open questionStatement I A compass needle placed near a current-carrying wire will get deflected.
Statement II A current-carrying wire creates magnetic field around it.
Statement II A current-carrying wire creates magnetic field around it.
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Q511
Open questionWhat is the direction of magnetic field lines in a magnet?
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Q512
Open questionElectric energy used in homes, industries, etc. is usually expressed as . . . . . . . .
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Q513
Open questionA wire with 11Ω resistance is doubled its radius. Calculate the new resistance of the wire.
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Q514
Open questionOften the use of current controller in electric circuits is to control . . . . . . . .
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Q515
Open questionThe coil wire in the electric room heater or electric cooking heater is called . . . . . . . .
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Q516
Open questionDynamo is a machine which is used for.
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Q517
Open questionWhat will be equivalent resistance of two resistors R1 and R2 when connected in series?
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Q518
Open questionThe instrument used to measure current is called . . . . . . . .?
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Q519
Open questionWhich of the following devices is used to convert alternating current into direct current?
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Q520
Open questionThe earth wire of a cable is connected to
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