Electricity MCQ Class 10. We covered all the Electricity MCQ Class 10 in this post for free so that you can practice well for the exam.
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MCQ on Electricity for Class 10 Students
A coil in the heater consumes power P on passing current… If it is cut into halves and joined in parallel, it will consume power
(a) P
(b) (\frac {P}{2})
(c) 2P
(d) 4P
Option d – 4P
A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of
(a) more length
(b) less radius
(c) less length
(d) more radius
Option d – more radius
The resistivity does not change if
(a) the material is changed
(b) the temperature is changed
(c) the shape of the resistor is changed
(d) both material and temperature are changed
Option c – the shape of the resistor is changed
The property of electric current which is applicable in the fuse wire is :
(a) the chemical effect of the current
(b) the magnetic effect of the current
(c) the heating effect of the current
(d) the optical property of the current
Option c – the heating effect of the current
Suppose a rod is given a negative charge by rubbing it with wool. Which one of the following statements is correct in this case?
(a) The positive charges are transferred from rod to wool
(b) The positive charges are transferred from wool to rod
(c) The negative charges are transferred from rod to wool
(d) The negative charges are transferred from wool to rod
Option d – The negative charges are transferred from wool to rod
Which one of the following devices is non-ohmic?
(a) Conducting copper coil
(b) Electric heating coil
(c) Semiconductor diode
(d) Rheostat
Option c – Semiconductor diode
Which one of the following does not convert electrical energy into light energy?
(a) A candle
(b) A light-emitting diode
(c) A laser
(d) A television set
Option a – A candle
Which one of the following statements regarding magnetic field is NOT correct?
(a) The magnetic field is a quantity that has direction and magnitude
(b) Magnetic field lines are closed curves
(c) Magnetic field lines are open curves
(d) No two magnetic field lines are found to cross each other
Option c – Magnetic field lines are open curves
In an incandescent electric bulb, the filament of the bulb is made up of which metal?
(a) Aluminium
(b) Copper
(c) Tungsten
(d) Silver
Option c – Tungsten
The instrument used for detecting the presence of electric current in a circuit is
(a) a Refractometer
(b) a Galvanometer
(c) Viscometer
(d) a Diffractometer
Option b – a Galvanometer
Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is
(a) current
(b) voltage
(c) resistance
(d) None of these
Option b – voltage
In a step-down transformer, the AC output gives the
(a) currently more than the input current
(b) current less than the input current
(c) current equal to the input current
(d) voltage more than the input voltage
Option a – currently more than the input current
Electricity is produced through the dry cells from
(a) chemical energy
(b) thermal energy
(c) mechanical energy
(d) nuclear energy
Option a – chemical energy
The magnetic field inside a long straight solenoid carrying current
(a) Is the same at all points
(b) Is zero
(c) Decreases as we move towards its end
(d) Increases as we move towards its end
Option a – Is the same at all points
What is the commercial unit of electrical energy?
(a) Joules
(b) Kilojoules
(c) Kilowatt-hour
(d) Watt-hour
Option c – Kilowatt-hour
Electric potential is a :
(a) scalar quantity
(b) vector quantity
(c) neither scalar nor vector
(d) sometimes scalar and sometimes vector
Option a – scalar quantity
Coulomb is the SI unit of
(a) charge
(b) current
(c) potential difference
(d) resistance
Option a – charge
When an electric current is passed, electrons move from
(a) high potential to low potential.
(b) low potential to high potential.
(c) in the direction of the current.
(d) against the direction of the current.
Option b – low potential to high potential
The heating element of an electric iron is made up of
(a) copper
(b) nichrome
(c) aluminum
(d) iron
Option b – nichrome
The electrical resistance of insulators is
(a) high
(b) low
(c) zero
(d) infinitely high.
Option d – infinitely high
The electrical resistivity of any given metallic wire depends upon
(a) its thickness
(b) its shape
(c) the nature of the material
(d) its length
Option c – the nature of the material
Electric power is inversely proportional to
(a) resistance
(b) voltage
(c) current
(d) temperature
Option a – resistance
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