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Class 10 Science Chapter 11 Assertion and Reason Questions - Electricity

Q1:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Silver is not used to make electric wires.

Reason : Silver is a bad conductor.

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Q2:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : When the resistances are connected end- to-end consecutively, they are said to be in series.

Reason : In case the total resistance is to be increased, then the individual resistances are connected in series.

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Q3:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion: Tungsten metal is used for making filaments of incandescent lamps.

Reason : The melting point of tungsten is very low.

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Q4:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Alloys are commonly used in electrical heating devices, like electrical iron, toasters etc.

Reason : Alloys do not oxidise (burn) readily at high temperatures.

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Q5:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : When a battery is short-circuited, the terminal voltage is zero.

Reason : In the situation of a short-circuit, the current is zero

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Q6:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : When the resistances are connected between the same two points, they are said to be connected in parallel.

Reason : In case the resistance is to be decreased, then the individual resistances are connected in parallel.

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Q7:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : A resistor of resistance R is connected to an ideal battery. If the value of R is decreased, the power dissipated in the circuit will increase.

Reason : The power dissipated in the circuit will increase.

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Q8:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : The electric bulbs glow immediately when the switch is on.

Reason : The drift velocity of electrons in a metallic wire is very high.

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Q9:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Long distance power transmission is done

Reason : At high voltage supply power losses are less.

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Q10:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Insulators do not allow flow of current through themselves.

Reason : They have no free-charge carriers.

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Q11:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : The equation V = Ri does not apply to those conducting devices which do not obey Ohm’s law.

Reason : V= RI is a statement of Ohm’s law.

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Q12:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Heater wire must have high resistance and will be melting point.

Reason : If resistance is high, the electric conductivity will be less.

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Q13:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : A tube light emits white light.

Reason : Emission of light in a tube takes place at a very high temperature

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Q14:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : Bending a wire does not affect electrical resistance.

Reason : Resistance of wire is proportional to resistivity of material.

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Q15:

Question for Assertion & Reason Type Questions: Electricity
Try yourself: Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:

Assertion : If a graph is plotted between the potential difference and the current flowing, the graph is a straight line passing through the origin.

Reason : The current is directly proportional to the potential difference.

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