MCQ Class 10 Science Chapter 12 Magnetic Effects Of Electric Current Advertisement MCQ’s For All Chapters – Science Class 10th 1. Direction of rotation of a coil in electric motor is determined byfleming’s right hand rulefaraday law of electromagnetic inductorsFleming's Left Hand RuleNone of aboveQuestion 1 of 102. The most important safety device method used for protecting electrical appliances from short circuiting or overloading isuse of electric meterEarthinguse of stabilizerfuseQuestion 2 of 103. Small current in a circuit is detected byVoltmeterGalvanometerSolenoidFleming’s left hand ruleQuestion 3 of 104. Potential difference between a live wire and a neutral wire is220 volt200 volt150 volt210 voltQuestion 4 of 105. Fleming’s left hand and Right hand rules are used inElectric motor and generatorGenerator and electric motorany rule can be used for any deviceboth are not applied for generator and motor.Question 5 of 106. A current carrying conductor placed in magnetic field experiences a force. The displacement of the conductor in magnetic field can be increased byDecreasing the magnetic field.Decreasing the current in the conductor.Increasing the magnetic field.None of the above.Question 6 of 107. The nature of magnetic field line passing through the centre of current carrying circular loop isstraight linecircularellipseparabolicQuestion 7 of 108. Magnetic Effect of Electric Current Class 10 MCQ Question 1. Magnetic effect of current was discovered byAmpereOerstedFaradayBohrQuestion 8 of 109. A device for producing electric current is called aAmmeterGalvanometerMotorGeneratorQuestion 9 of 1010. A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:In all the planes around the magnetOnly in the horizontal plane around the magnetOnly in the vertical plane around the magnetIn horizontal as well as vertical planes around the magnetQuestion 10 of 10 Loading...
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