# NEET Physics Current Electricity Questions Solved

In the circuit shown below E1 = 4.0 V, R1= 2 Ω, E2 = 6.0 V, R2 = 4 Ω and R3 = 2 Ω. The current I1 is

(1) 1.6 A

(2) 1.8 A

(3) 1.25 A

(4) 1.0 A

(2) Applying Kirchhoff’s law for the loops (1) and (2) as shown in figure

For loop (1)

$-2{i}_{1}-2\left({i}_{1}-{i}_{2}\right)+4=0$$2{i}_{1}-{i}_{2}=2$ …(i)

For loop (2)

$-2\left({i}_{1}-{i}_{2}\right)+4{i}_{2}-6=0$$-{i}_{1}+3{i}_{2}=3$ …(ii)

On solving equation (i) and (ii) ${i}_{1}=1.8A$

Difficulty Level:

• 20%
• 45%
• 25%
• 12%
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