AIPMT 2004 | Current Electricity Question 93 | Physics

Five equal resistances each of resistances R are connected as shown in the figure. A battery of V volts is connected between A and B. The current flowing in AFCEB will be

AIPMT 2004 Physics - Current Electricity Question 58 English

AIPMT 2004 Physics - Current Electricity Question 58 English

$${{3V} \over R}$$

$${V \over R}$$

$${V \over {2R}}$$

$${{2V} \over R}$$

AIPMT 2004

MCQ (Single Correct Answer)

-1

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

The resistance will be doubled and the specific resistance will be halved.

The resistance will be halved and the specific resistance will remain unchanged.

The resistance will be halved and the specific resistance will be doubled.

The resistance and the specific resistance, will both remain unchanged.

AIPMT 2004

MCQ (Single Correct Answer)

-1

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be

R/4

R/2

AIPMT 2004

MCQ (Single Correct Answer)

-1

Resistance n, each of r ohm, when connected in parallel give an equivalent resistance of R ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to

n²R

R/n²

R/n

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