A. 18 Q

**B. 36 Q**

C. 48 Q

D. 64 Q

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### Related Mcqs:

- A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is_____________?
A. 6.4 A, 6.9 A

**B. 6.4 A, 9.6 A**

C. 4.6 A, 6.9 A

D. 4.6 A, 9.6 A - Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be_____________?
A. 160 ohms

B. 80 ohms

C. 20 ohms

**D. 10 ohms** - A resistance having rating 10 ohms, 10 W is likely to be a__________?
A. metallic resistor

B. carbon resistor

**C. wire wound resistor**

D. variable resistor - Four wires of same material, the same cross-sectional area and the same length when connected in parallel give a resistance of 25 Q. If the same four wires are connected is series the effective resistance will be________?
A. 100 Ω

B. 200 Ω

C. 300 Ω

**D. 400 Ω** - Which of the following statement is true both for a series and a parallel D. C. circuit?
A. Elements have individual currents

B. Currents are additive

C. Voltages are additive

**D. Power are additive** - If a parallel circuit is opened in the main line, the current_______________?
A. increases in the branch of the lowest resistance

B. increases in each branch

**C. is zero in all branches**

D. is zero in the highest resistive branch - When one leg of parallel circuit is opened out the total current will______________?
A. reduce

B. increase

**C. decrease**

D. become zero - Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be_________________?
A. 9 times

**B. 1/9 times**

C. 1/3 times

D. 3 times - If 1 A current flows in a circuit, the number of electrons flowing through this circuit is
**A. 0.625 × 10**^{19}

B. 1.6 × 10^{19}

C. 1.6 × 10-^{19}

D. 0.625 × 10-^{19} - When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is___________?
**A. 1 n-mho**

B. 106 mho

C. 1 milli-mho

D. none of the above

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