COMEDK 2024 Evening Shift | Current Electricity Question 1 | Physics

Three bulbs of $$40 \mathrm{~W}, 60 \mathrm{~W}$$, and $$100 \mathrm{~W}$$ are arranged in series with a $$220 \mathrm{~V}$$ source. The maximum light is obtained from

40 W

60 W

All give the same light

100 W

COMEDK 2024 Evening Shift

MCQ (Single Correct Answer)

-0

The resistance of a $$10 \mathrm{~m}$$ long wire is $$10 \Omega$$. Its length is increased by $$25 \%$$ by stretching the wire uniformly. The new resistance is

$$18.6 \Omega$$

$$15.6 \Omega$$

$$12.8 \Omega$$

$$14.9 \Omega$$

COMEDK 2024 Evening Shift

MCQ (Single Correct Answer)

-0

Four resistors, each of resistance R, are connected as shown in the figure below.

COMEDK 2024 Evening Shift Physics - Current Electricity Question 1 English

The total resistance between points 1 and 3 is 0.5 R.

The total resistance between points 1 and 6 is $$3.5 \mathrm{R}$$.

The total resistance between points 3 and 6 is 2 R.

The total resistance between points 2 and 4 is $$0.5 \mathrm{~R}$$.

COMEDK 2024 Evening Shift

MCQ (Single Correct Answer)

-0

A voltmeter of resistance $$1000 \Omega .0 .5 \mathrm{~V} /$$ div is to be converted into a voltmeter to make it to read $$=1 \mathrm{~V} / \mathrm{div}$$. The value of high resistance to be connected in series with it is

$$6000 \Omega$$

$$5000 \Omega$$

$$4000 \Omega$$

$$1000 \Omega$$

Questions Asked from MCQ (Single Correct Answer)

COMEDK 2024 Evening Shift (4) COMEDK 2024 Afternoon Shift (6) COMEDK 2024 Morning Shift (5) COMEDK 2023 Morning Shift (2) COMEDK 2023 Evening Shift (7) COMEDK 2022 (2) COMEDK 2021 (2) COMEDK 2020 (4)

COMEDK Subjects