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13th Chapter

### 12th Class Physics Chapter 13 Test

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

## FSC Part 2 Physics Chapter 2 Online Test Preparation

FSC Part 2 Physics Ch 13 Test

### FSC Part 2 Physics Chapter 2 Online Test Preparation

1 The unit of temperature co efficient of resistivity is.
• A. Ohm -m
• B. K-1
• C. K
• D. Ohm
2 Resistance tolerance of silver band is.
• A. 10%
• B. 6%
• C. 7%
• D. 5%
3 In carbon resistors, then value of Blue colour is.
• A. 6
• B. 7
• C. 8
• D. 9
4 When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.
• A. is doubled
• B. Remains the same
• C. Is halved
• D. Is one fourth
5 The head produced by the passage of current through a resistor is.
• A. H= I<sup>2</sup>Rt
• B. H = IR<sup>2</sup>t
• C. H = 1/Rt
• D. H = I<sup>2</sup>/Rt
6 Magnetic effect of current is used
• A. To detect a current
• B. To measure a current
• C. In electric motor
• D. All of above
7 Resistivity at a given temperature depends upon.
• A. Area of cross section
• B. Length
• C. Nature of material of conductor
• D. Both length and area
8 Potentiometer is used to.
• A. Compare emf of two cells
• B. Detect internal resistance of cell
• C. Measure P.D.
• D. All of these
9 Terminal potential difference is greater than emf of the cell when
• A. Circuit is open
• B. Circuit is closed
• C. small battery is charged by bigger battery
• D. None of these
10 For ohmic device the graph between V and I is.
• A. A straight line
• B. Curve
• C. Hyperbola
• D. Parabola

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30 Sep 2020

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