10th Science Chapter -04 Electricity Creative One Mark Question and Answers Part-03
10th Science Chapter -04 Electricity Creative One Mark Question and Answers Part-03
01.In a simple circuit, why does the bulb glow when you close the switch?
a) The switch produces electricity
b) Closing the switch completes the circuit
c) closing the switch breaks the circuit
d) The bulb is getting charged
Correct answer
Closing the switch completes the circuit
02.A series circuit consists of three resistors with values of 140, 250 and 220. The titak resistance is.
a) 330
b) 610
c) 720
d) None of the above
Correct answer
610
03.A 110 W ,220 V bulb draws a current
a) 2 A
b) 440
c) 0.5 A
d) 5.5
Correct answer
0.5 A
04.Series arrangement is used in domestic circuits
a) true
b) false
Correct answer
false
05.Which of the following laboratory apparatus is used during the verification of Ohm's law?
a) Voltmeter
b) Ammeter
c) Rheostat
d) All the above
Correct answer
All the above
06.If resistance of a wire is r ohms and wire is stretched to double its length, then what is its resistance?
a) r
b) 2 r
c) 4 r
d) r / 2
Correct answer
4 r
07.The SI unit of power is
a) joule
b) ampere
c) watt
d) ohm
Correct answer
watt
08.The relation between potential difference (V) and current (I) was discoverd by
a) Volt
b) Ohm
c) Newton
d) Ampere
Correct answer
Ohm
09.A short circuit has
a) Non resistance
b) No conductance
c) Low current
d) None of the above
Correct answer
None of the above
10.The effective resistance of three resistors connected in series is lasser than the lowest of the individual resistances
a) true
b) false
Correct answer
false
11.Give the name of components which is designed to oppose the flow of current
a) Capacitor
b) Resistors
c) Fuse wore
d) Inductor
Correct answer
Resistors
12.Kilowatt hour is unit of
a) resistivity
b) conductivity
c) electrical energy
d) electrical power
Correct answer
electrical energy
13.When will be the current flow in a circuit?
a) A switch is closed
b) A switch is opened
c) Switch is either open or closed
d) None of the above
Correct answer
A switch is closed
14.A complete electric circuit is called ____ circuit
a) open
b) closed
c) complete
d) none of these
Correct answer
closed
15.A thin wire has less resistance than the thick wire of same length and same material
a) True
b) False
Correct answer
False
16..The number of electrons in one coulomb of charge is
a) 1.6 x 10^19
b) 6.25 x 10^18
c) 1.13 x 10^11
d) 8 85 x 10^12
Correct answer
6.25 x 10^18
17.Conductance is the property of the material to oppose the flow of charges
a) true
b) false
Correct answer
false