Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online Punjab 12th Class Physics Chapter 2 Current Electricity Mcqs Test Online 123456789 Question 1 of 9Physics 1. Thermocouple is an arrangement of two different metals: 1.To produce more heat 2.To convert electric energy in to heat energy 3.To convert heat energy into chemical energy 4.To convert heat energy in to electrical energy Question 1 of 9Question 2 of 9 2. Seven resistances are connected as shown in the figure. The equivalent resistance between A and B is: 1.5Ω 2.3Ω 3.4Ω 4.4.5Ω Question 2 of 9Question 3 of 9 3. 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 3 of 9Question 4 of 9 4. Calculate current in 2Ω resistor: 1.1 A 2.0.73 A 3.1.43 A4.1.29 A Question 4 of 9Question 5 of 9 5. 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.Remain the same 2.Halved 3.One fourth 4.Doubled Question 5 of 9Question 6 of 9 6. Thermocouple is an arrangement of two different metals: 1.1:2 2.4:3 3.2:1 4.1:3 Question 6 of 9Question 7 of 9 7. Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained? 1.3 R Ω 2.R/3 Ω 3.2R/4 Ω 4.2R/3 ΩQuestion 7 of 9Question 8 of 9 8. 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) 2.1/p₁ + 1/p₂ 3.p₁/p₂4.p₁ + p₂/2 Question 8 of 9Question 9 of 9 9. 10⁶ electrons are moving through a wire per second, the current developed is: 1.1.6 x 10⁻¹⁹ A 2.1.6 x 10⁻¹³ A 3.1 A 4.10⁶ AQuestion 9 of 9 Loading... Test By Subject Punjab Test By Topics 12th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.