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Electricity MCQs for Class 9 Exam
It covers all Important Questions with answers on Electricity for the Class 9 exam. The questions are based on important topics. Details about the questions:- Topic: Electricity
- Type of Questions: MCQs with solutions
- Number of Questions: 2
- You can attempt them on EduRev to score high in Class 9 exam.
Which of the following statements is true?- a)A voltmeter is connected in series to measure voltage.
- b)An ammeter is connected in parallel to measure current.
- c)Different sized bulbs in parallel have the same current flowing through them.
- d)In a parallel circuit with four identical bulbs, the current is shared equally between them.
Correct answer is option 'D'. Can you explain this answer?
Which of the following statements is true?
a)
A voltmeter is connected in series to measure voltage.
b)
An ammeter is connected in parallel to measure current.
c)
Different sized bulbs in parallel have the same current flowing through them.
d)
In a parallel circuit with four identical bulbs, the current is shared equally between them.
 | C K Academy answered |
In a parallel circuit with four identical bulbs, each bulb has the same resistance, so the current from the battery splits equally among them. Option A is false because voltmeters are connected in parallel to measure voltage across a component. Option B is false because ammeters are connected in series to measure current through a circuit. Option C is false because different-sized bulbs have different resistances, leading to unequal currents in parallel.
What happens to the total resistance in a circuit when resistors are added in parallel?- a)Increases
- b)Decreases
- c)Remains the same
- d)Depends on the value of the resistors
Correct answer is option 'B'. Can you explain this answer?
What happens to the total resistance in a circuit when resistors are added in parallel?
a)
Increases
b)
Decreases
c)
Remains the same
d)
Depends on the value of the resistors
| | C K Academy answered |
When resistors are added in parallel, the total resistance decreases because the combined path for current flow increases.
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