AIPMT 2001 | Current Electricity Question 103 | Physics

AIPMT 2001

MCQ (Single Correct Answer)

-1

If specific resistance of a potentiometer wire is 10^-7$$\Omega $$ m and current flow through it is 0.1 amp., cross-sectional area of wire is 10^$$-$$6 m² then potential gradient will be

10^$$-$$2 volt/m

10^$$-$$4 volt/m

10^$$-$$6 volt/m

10^$$-$$8 volt/m.

AIPMT 2000

MCQ (Single Correct Answer)

-1

Two bulbs of (40 W, 200 V), and (100 W, 200 V). Then correct relation for their resistances

R₄₀ < R₁₀₀

R₄₀ > R₁₀₀

R₄₀ = R₁₀₀

no relation can be predicted.

AIPMT 2000

MCQ (Single Correct Answer)

-1

The net resistance of the circuit between A and B is

AIPMT 2000 Physics - Current Electricity Question 42 English

$${8 \over 3}\Omega $$

$${14 \over 3}\Omega $$

$${{16} \over 3}\Omega $$

$${{22} \over 3}\Omega $$

AIPMT 2000

MCQ (Single Correct Answer)

-1

A car battery of emf 12 V and internal resistance $$5 \times {10^{ - 2}}$$ $$\Omega $$., receives a current of 60 amp, from external source, then terminal potential difference of battery is

12 V

9 V

15 V

20 V

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