MDCAT Physics Chapter 10 MCQ Test With Answer for (Current Electricity)

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MCQ's Test For MDCAT Physics Chapter 10 Current Electricity MCQ's Test

Try The MCQ's Test For MDCAT Physics Chapter 10 Current Electricity MCQ's Test

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MDCAT Physics Chapter 10 Current Electricity MCQ's Test

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Question # 1

There are two electric bulbs of 40 W and 100 W. They are first connected in series and then in parallel across a source:

Question # 2

Resistance of 60 watt bulbs in 120V line is:

Question # 3

The rate at which the battery is supplying the electrical energy is the:

Question # 4

Which combination of 7 identical resistors of 3-ohm will give 12/13 ohm:

Question # 5

An electric room radiator, which operates at 50V has resistance of 50 Ω. Power of the radiator is approximately:

Question # 6

When the length and area of cross-section both are doubled, then its resistance:

Question # 7

A charge is 90C passes through a wire in 1 hour and 15 minutes. Wat is the current in the wire?

Question # 8

When resistances are connected in Parallel, the effective resistance will be

Question # 9

A piece of Aluminium (Al) and a piece of Germanium (Ge) are cooled T1 K to T2 K. The resistance of:

Question # 10

Electric current is defined as:

Question # 11

If a source of emf is traversed from positive to negative the potential change will be:

Question # 12

Which of the Following bulb will glow Brightest?

Question # 13

A 100W, 220V bulb is operated on a 110V line, the power consumed is:

Question # 14

The specific resistance of a wire varies with its:

Question # 15

The emf of a cell of negligible internal resistance is 2V. It is connected to the series combination of 𝟐𝛀, 𝟑𝛀 𝐚𝐧𝐝 𝟓𝛀 resistance. The potential difference across 𝟑𝛀 resistance will be in volt:

Question # 16

The product of resistance and conductance of a resistors is equal to:

Question # 17

Two wires of same material have lengths L and 2L and cross-sectional area 4A and A respectively. the ratio of their specific resistance would be:

Question # 18

A cell of negligible resistance and e.m.f 2 V is connected across a series combination of 2,3 and 5 ohms. The p.d. across the 3 Ω resistor is

Question # 19

The ‘emf ’ is always even when no current is drawn through the battery of the cell:

Question # 20

A total charge of 100C flows through 12W bulb in a time of 50 second. Which is the potential difference across the bulb during this time?

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Sr.# Question Answer
1 There are two electric bulbs of 40 W and 100 W. They are first connected in series and then in parallel across a source:
A. 40W bulb will be brighter in series and 100W in parallel
B. 100W bulb will be brighter in series and 40W in parallel
C. 40W bulb will be brighter in both the cares
D. 100W bulb will be brighter in both the cares

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