Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online

Please wait...

Question 1 of 9

Physics

1. Thermocouple is an arrangement of two different metals:

1.1:2

2.2:1

3.1:3

4.4:3

Question 1 of 9

Question 2 of 9

2. Seven resistances are connected as shown in the figure. The equivalent resistance between A and B is:

1.3Ω

2.4Ω

3.5Ω

4.4.5Ω

Question 2 of 9

Question 3 of 9

3. 10⁶ electrons are moving through a wire per second, the current developed is:

1.10⁶ A

2.1 A

3.1.6 x 10⁻¹³ A

4.1.6 x 10⁻¹⁹ A

Question 3 of 9

Question 4 of 9

4. Calculate current in 2Ω resistor:

1.1 A

2.1.43 A

3.0.73 A

4.1.29 A

Question 4 of 9

Question 5 of 9

5. When a wire is stretched and its radius becomes r/2, then its resistance will be:

1.2 R

2.16 R

3.0

4.4 R

Question 5 of 9

Question 6 of 9

6. The resistivity of two wires is p₁ and p₂ which are connected in series. If there dimensions are same then the equivalent resistivity of the combination will be:

1.p₁/p₂

2.p₁ + p₂/2

3.(p₁ + p₂)

4.1/p₁ + 1/p₂

Question 6 of 9

Question 7 of 9

7. A wire of uniform cross-section. A length L resistance R is cut into two equal parts. The resistivity of each part will be:

1.One fourth

2.Halved

3.Doubled

4.Remain the same

Question 7 of 9

Question 8 of 9

8. Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?

1.R/3 Ω

2.2R/3 Ω

3.3 R Ω

4.2R/4 Ω

Question 8 of 9

Question 9 of 9

9. Thermocouple is an arrangement of two different metals:

1.To produce more heat

2.To convert heat energy in to electrical energy

3.To convert heat energy into chemical energy

4.To convert electric energy in to heat energy

Question 9 of 9

More Related Resources

Punjab Physics Online Test 12th Cla...

Can't find what you're looking for? Search below:

More Online Tests

Punjab 12th Class English Good Bye Mr. Chips Chapter 5 MCQs Test ...
Punjab 12th Class English Good Bye Mr. Chips Chapter 9 MCQs Test ...
Punjab 9th Class Biology Chapter 2 Solving a Biological Problem M...
Punjab 11th Class English Chapter 14 Overcoat Mcqs Test Online
Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online
Punjab 12th Class Chemistry Chapter 3 Group III-A and Group IV-A ...
Punjab 10th Class Math Chapter 3 Variations Mcqs Test Online
Punjab 11th Class English Chapter 9 The Foolish Quack Mcqs Test O...

Prepare Subjective:

Read Short Questions

Test By Class

Punjab

Test By Subject

12th Class Physics