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13th Chapter

12th Class Physics Chapter 13 Test

Here you can prepare 12th Class Physics Chapter 13 Current Electricity Test. Click the button for 100% free full practice test.

2nd Year Physics Chapter 13 Online MCQ Test for 12th Class Physics Chapter 13 (Current Electricity)

This online test contains MCQs about following topics:

- Electric Current
- Source of Current
- Ohm' law
- Resistivity and its Dependence Upon Temperature
- Colour Code for Carbon Resistances
- Electrical Power and Power Dissipation in Resistors
- Electromotive Force (EMF) and Potential Difference
- Kirchhoff's Rules
- Wheatstone Bridge
- Potentiometer

Ics Part 2 Physics Chapter 13 Test
ic

2nd Year Physics Chapter 13 Online MCQ Test for 12th Class Physics Chapter 13 (Current Electricity)

Sr. # Questions Answers Choice
1 What is the resistance of carbon resistor which has band brown black brown.
  • A. 100 Ohm
  • B. 1000 Ohm
  • C. 10 Ohm
  • D. 1.0 Ohm
2 The value of maximum output power is?
  • A. E/4R
  • B. E<sup>2</sup>/4R
  • C. E/4R<sup>2</sup>
  • D. Non of above
3 The SI unit of resistivity is.
  • A. Ohm m-2
  • B. Ohm m-1
  • C. Ohm m
  • D. Ohm
4 Resistance tolerance for gold colour is.
  • A. 50%
  • B. 30%
  • C. 20%
  • D. 5%
5 A charged conductor has charge on its.
  • A. Inner surface
  • B. Outer surface
  • C. Middle surface
  • D. Surrounding space
6 When a wire is stretched and its radius becomes r/2, then its resistance will be
  • A. 16 R
  • B. 4 R
  • C. 2R
  • D. 0
7 A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be:
  • A. Doubled
  • B. Halved
  • C. Remain the same
  • D. One fourth
8 When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows
  • A. 0.20 C
  • B. 2.5 C
  • C. 5.0 C
  • D. 10.0 C
9 The conventional current is due to the flow of
  • A. Atoms and molecules
  • B. Positive charge
  • C. Negative charge
  • D. Bot (b) and (c)
10 For non-ohmic devices, the graph between V and I is
  • A. Not a straight line
  • B. A straight line
  • C. A curve
  • D. All of above

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  • S

    Sarmad Ali

    22 Jan 2020

    Good

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  • A

    Adnan Ali

    16 Jan 2020

    Date sheet Matric and FSC

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