Chapter 6: Electrical Circuits & Electric Currents - Science Mcqs for Grade 7


Q.  In electric motors, a coil or a wire carrying an electric current produces

a. electronic field
b. resistance
c. magnetic field
d. electronic charge


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The repulsion between magnetic field of coil and permanent magnet makes the coil
Category: Science Mcqs,   Published by: teswesm
MCQs:  The complete equipment of 'electrolysis' is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  When bulbs are arranged in series, the bulbs would glow
Category: Science Mcqs,   Published by: teswesm
MCQs:  To overcome the resistance
Category: Science Mcqs,   Published by: teswesm
MCQs:  The weakest link in a circuit is formed by a
Category: Science Mcqs,   Published by: teswesm
MCQs:  Never use an electric appliance while standing in
Category: Science Mcqs,   Published by: teswesm
MCQs:  A 50v current can
Category: Science Mcqs,   Published by: teswesm
MCQs:  The loudspeaker changes the electric signals into
Category: Science Mcqs,   Published by: teswesm
MCQs:  Earth wire is a wire that
Category: Science Mcqs,   Published by: teswesm
MCQs:  The wire coil is wound round the neck of a
Category: Science Mcqs,   Published by: teswesm
MCQs:  One of the causes of overloading is
Category: Science Mcqs,   Published by: teswesm
MCQs:  Sometimes, bulb does not light up even if the circuit is complete because the
Category: Science Mcqs,   Published by: teswesm
MCQs:  ELCB'is an
Category: Science Mcqs,   Published by: teswesm
MCQs:  Power is measured in
Category: Science Mcqs,   Published by: teswesm
MCQs:  The wire coil acts as an
Category: Science Mcqs,   Published by: teswesm
MCQs:  Maglev trains don't
Category: Science Mcqs,   Published by: teswesm
MCQs:  The negative and positive regions of a battery are known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  Most electric bulbs have a coil of thin tungsten wire known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  Voltmeter is always connected in
Category: Science Mcqs,   Published by: teswesm
MCQs:  Due to change in the form of energy, the conductor gets
Category: Science Mcqs,   Published by: teswesm