Chapter 4: Electromagnetism Physics Mcqs for High School - Grade 10

Q.  If a transformer is used to supply voltage to a 15 V model train which draws a current of 0.7 A. If the voltage of the A.C source is 210 V, the current in the primary should be

a. 0.04 A
b. 0.05 A
c. 0.03 A
d. 0.02 A


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The magnitude of induced Electromotive force (EMF) depends on
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The direction of the magnetic field inside the bar magnet is from
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  To relieve the discomfort of allergy sufferers in homes, we use
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Coulomb's law is only true for point charges whose sizes are
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  As per Coulomb's law, the force of attraction or repulsion between two point charges is directly proportional to the
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If F is the force acting on the test charge qo, the electric field intensity E would be given by
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The ability of a capacitor to store charge depends upon
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In the combination of capacitors in series, the capacitors are connected
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The coulomb's force between the 2 point charges 10µC and 5µC placed at a distance of 150cm is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If 5 J of work is required to shift 10 C charge from one place to another then the potential difference is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The value of k in coulomb's law depends upon
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  A device which stores charge is called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The resonant circuits that tune radios to particular frequencies are called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The property of material due to which it attracts or repels other objects is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In electrostatic air cleaner, air mixed with dust and pollen enters device across
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If the medium between two charges is air, then the value of constant k in SI units will be
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  1 micro farad (1µF) is equal to
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Plastic rod rubbed with fur and glass rod rubbed with silk
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Electric intensity being a force is a
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If the body is positively or negatively charged the leaves of electroscope will
Category: Physics MCQs,   Published by: T-Code Scripts