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

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• >>

 

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. 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 electric energy in to heat energy

4.To convert heat energy into chemical energy

Question 2 of 9

Question 3 of 9

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

1.1.6 x 10⁻¹³ A

2.10⁶ A

3.1.6 x 10⁻¹⁹ A

4.1 A

Question 3 of 9

Question 4 of 9

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

1.2 R

2.0

3.16 R

4.4 R

Question 4 of 9

Question 5 of 9

5. 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

2.(p₁ + p₂)

3.p₁/p₂

4.1/p₁ + 1/p₂

Question 5 of 9

Question 6 of 9

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

1.3Ω

2.5Ω

3.4.5Ω

4.4Ω

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.Halved

2.Remain the same

3.Doubled

4.One fourth

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/4 Ω

3.3 R Ω

4.2R/3 Ω

Question 8 of 9

Question 9 of 9

9. Calculate current in 2Ω resistor:

 

1.0.73 A

2.1 A

3.1.29 A

4.1.43 A

Question 9 of 9

 Loading...

 

Other Related test

• Punjab 9th Class Pak Study Chapter 5 Protection of Women’s Rights Mcqs Test Online
• Punjab 10th Class Computer Science Chapter 1 Programming Techniques Mcqs Test Online
• Punjab 12th Class Math Chapter 1 Functions and Limit Mcqs Test Online
• Punjab 9th Class Physics Model Paper 7 MCQs Test Online
• Punjab 9th Class Urdu Chapter 11 Qadr e Ayaz Mcqs Test Online
• Punjab 11th Class Computer Science Chapter 5 Network Communication and Protocols Mcqs Test Online
• Punjab 12th Class English Good Bye Mr. Chips Chapter 5 MCQs Test Online
• Punjab 12th Class Chemistry Chapter 11 Alcohol, Phenol and Ethers Mcqs Test Online
• Punjab 12th Class English Destroying Books Chapter 5 MCQs Test Online
• Punjab 9th Class Urdu Chapter 6 Panchaiyat Mcqs Test Online