Physics 10 Chapter 14 Practice Tests 7

ByWebsite Admin January 19, 2022October 29, 2022

FBISE Physics Class 10 Chapter 14 Practice Test 7 contains a total of 10 Multiple Choice Questions, each MCQ has 4 options.

Chapter 14 MCQs Tests | Physics 10 MCQs Tests

Physics 10 Chapter 14 Practice Tests 7

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Class 10 Physics
Chapter 14
Practice MCQs Test 7

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1. If a current I ampere flows through a resistance R in time seconds, then the energy supplied will be

a) W = IR²t

b) W = IRt²

c) W = IRt

d) W = I²Rt

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2. When current I is flowing through a resistance R the electrical power that generates heat in the resistance is given by

a) IR²

b) I²R

c) IR

d) I/R

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3. The equivalent resistance for parallel combination of 3 resistors is given by

a) Re = R₁ + R₂ + R3

b) 1/Re = V/R₁ + V/R₂ + V/R3

c) Re = VR₁ + VR₂ + VR3

d) 1/Re = 1/R₁ + 1/R₂ + 1/R3

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4. The amount of energy supplied by current in unit time is known as

a) Electrical power

b) Electrical energy

c) Electrical work

d) Potential difference.

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5. The energy supplied W = I²Rt is the mathematical expression for

a) Faraday’s law

b) Fleming’s law

c) Joule’s law

d) Ohm’s law

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6. If the resistors are connected in parallel, then

a) The total resistance is the sum of individual resistance

b) The total resistance is the product of individual resistance

c) The voltage across each is the same

d) The current through each is the same.

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7. The expression for total current through parallel combination is

a) I = I₁ = I₂ = I3

b) I = I₁ = I₂ = I3

c) I = 2₁ – 2I₂ – 2I3

d) I = I₁ + I₂ + I3

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8. If three resistances of 6Ω each are connected in series combination what will be the equivalent resistance?

a) 12Ω

b) 24Ω

c) 18Ω

d) 6Ω

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9. If the resistors are connected in series, the equivalent resistance is equal to

a) Product of the individual resistance

b) Sum of the individual resistances

c) Sum of the reciprocals of the individual resistances

d) Product of the reciprocals of the individual resistances

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10. Three resistance 5000, 500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

a) 100 mA

b) 1A

c) 10A

d) 10 mA

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11. When Q coulomb of charge flows between the two points having potential difference of V volts then the energy in joules is represented by

a) W = F.S

b) W = V/Q

c) W = QV

d) W = Q/V

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12. If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

a) 1.33 ohms

b) 5.0 ohms

c) 3.0 ohms

d) 11.0 ohms

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Physics 10 Chapter 14 Practice Tests 7

Class 10 Physics Chapter 14 Practice MCQs Test 7

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Class 10 Physics
Chapter 14
Practice MCQs Test 7