Case Based Questions Test: Electricity - Class 10 MCQ

# Case Based Questions Test: Electricity - Class 10 MCQ

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## 10 Questions MCQ Test Online MCQ Tests for Class 10 - Case Based Questions Test: Electricity

Case Based Questions Test: Electricity for Class 10 2024 is part of Online MCQ Tests for Class 10 preparation. The Case Based Questions Test: Electricity questions and answers have been prepared according to the Class 10 exam syllabus.The Case Based Questions Test: Electricity MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Case Based Questions Test: Electricity below.
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Case Based Questions Test: Electricity - Question 1

### Observe the graph and answer the question. The V-I graph for a conductor is as shown in figure.What do you infer from this graph ?

Case Based Questions Test: Electricity - Question 2

### Observe the graph and answer the question. The V-I graph for a conductor is as shown in figure.Which of the following law justify the above graph:

Detailed Solution for Case Based Questions Test: Electricity - Question 2
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
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Case Based Questions Test: Electricity - Question 3

### Observe the graph and answer the question. The V-I graph for a conductor is as shown in figure.Name the physical quantity represented by the slope of this graph

Case Based Questions Test: Electricity - Question 4

Observe the graph and answer the question. The V-I graph for a conductor is as shown in figure.

Ohm is the SI unit of:

Detailed Solution for Case Based Questions Test: Electricity - Question 4
Resistance is the opposition that a substance offers to the flow of electric current. It is represented by the uppercase letter R. The standard unit of resistance is the ohm, sometimes written out as a word, and sometimes symbolized by the uppercase Greek letter omega (Ω).

When an electric current of one ampere passes through a component across which a potential difference (voltage) of one volt exists, then the resistance of that component is one ohm.

Case Based Questions Test: Electricity - Question 5

Observe the graph and answer the question. The V-I graph for a conductor is as shown in figure.

Resistance of a conductor depends on:

Detailed Solution for Case Based Questions Test: Electricity - Question 5
There are four factors affecting resistance which are Temperature, Length of wire, Area of the cross-section of the wire, and nature of the material. When there is current in a conductive material, the free electrons move through the material and occasionally collide with atoms.
Case Based Questions Test: Electricity - Question 6

Three resistors of 5 Ω, 10 Ω and 15 Ω are connected in series and the combination is connected to the battery of 30 V. Ammeter and voltmeter are connected in the circuit.

Q. Which of the following is the correct circuit diagram to connect all the devices in proper correct order.

Case Based Questions Test: Electricity - Question 7

Three resistors of 5 Ω, 10 Ω and 15 Ω are connected in series and the combination is connected to the battery of 30 V. Ammeter and voltmeter are connected in the circuit.

Q. The device used to measure the current:

Detailed Solution for Case Based Questions Test: Electricity - Question 7
An ammeter (abbreviation of Ampere meter) is a measuring instrument used to measure the current in a circuit. Electric currents are measured in Amperes (A), hence the name. The ammeter is usually connected in series with the circuit in which the current is to be measured.
Case Based Questions Test: Electricity - Question 8

Three resistors of 5 Ω, 10 Ω and 15 Ω are connected in series and the combination is connected to the battery of 30 V. Ammeter and voltmeter are connected in the circuit.

Q. How much is the total resistance?

Case Based Questions Test: Electricity - Question 9

Three resistors of 5 Ω, 10 Ω and 15 Ω are connected in series and the combination is connected to the battery of 30 V. Ammeter and voltmeter are connected in the circuit.

Q. Which of the following is connected in series in circuit:

Case Based Questions Test: Electricity - Question 10

Three resistors of 5 Ω, 10 Ω and 15 Ω are connected in series and the combination is connected to the battery of 30 V. Ammeter and voltmeter are connected in the circuit.

Q. Two students perform experiments on two given resistors R1 and R2 and plot the following V-I graphs. If R1> R2, which of the diagrams correctly represent the situation on the plotted curves?

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