Thursday, 26 October 2023

Bsc I sem : Physics paper 2 : Unit 3 : Time Varying Fields

Class - BSc I sem

Sub. - Physics - Paper 2

Max. Marks - 20        Time - 1:30 Hr.


Q1 State and Explain Faraday's Law and Lenz's law of EM induction (2) Q2 State and Explain Kirchoff's voltage and current Laws.        (3)      Q3. What is Quality Factor?      (2) 

Q4 Explain different Energy losses in transformer?                            (2) 

Q5The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4 Ω, what is the maximum current that can be drawn from the battery? (3) 

Q6  A battery of EMF 10 V and  internal resistance 3 Ω is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor?                                 (5) 

What is the terminal voltage of the battery when the circuit is closed?

Q7 If R1 = 2Ω, R2 = 5o, R3 = 5Ω, determine the electric current flows in the circuit below.                       (3)



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