What is the value of current I_2 in the circuit comprising 2 Voltage Sources, 1 Current Source and 1 Resistor

Solution:

Step 1:  Redesign the circuit voltage source.
Step 2: Find I_1 as per Voltage Remains same in parallel Rule
Step 3: Apply Ohm law to find I_1
Step 4: Apply Kirchhoff Current Law to Find I_2

Final solution after these 5 steps is 3A.

So option c) 3A is correct

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Voltages across 𝑹_𝟐 are: Application of Ohm Law

Current always remains same in series, So R_2 will also have 1A across it. Now apply Ohm Law as: V = IR = 1A * 1Ohm = 1V. So a)1V is right answer.

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Find voltage across resistor if 2A current flows through 100 Ohm Resistance

Apply Ohm Law and corret answer V = IR = 2 * 100 = 200V

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Solved Numerical: A charge of 1000 coulombs passes through a conductive wire for 1 minute, What is the current?

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MCQ: 45 J of energy is required to move a charge of 10 C from point a to b, What is voltage between both points

Find solution at 

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Basic Numerical: 45 J of energy is required to move a charge of 10 C from point a to b, What is voltage between both points

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