Class 12 Physics Chapter 7 Online Test

Class 12 Physics Chapter 7 Online Test – Alternating Current

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Class 12 Physics Chapter 7 Online Test 2027: हेलो बच्चों, Alternating Current (प्रत्यावर्ती धारा) Class 12 Physics का महत्वपूर्ण Chapter है। इस अध्याय से जुड़े Objective Questions की तैयारी के लिए यहां Chapter Wise Online Test उपलब्ध है।

इस Chapter में Alternating Current, AC Voltage, RMS Value, Reactance, Impedance, LCR Circuit, Resonance और Transformer जैसे महत्वपूर्ण Topics शामिल हैं। विद्यार्थियों को इन Concepts और Formula का नियमित अभ्यास करना चाहिए।

Class 12 Physics Chapter 7 Online Test

देखें इस पोस्ट में क्या-क्या है -

Class 12 Physics Chapter 7 Online Test 2027

नीचे दिए गए Test को Attempt करके आप Chapter 7 की अपनी तैयारी को Check कर सकते हैं। Test में दिए गए प्रश्नों को ध्यान से पढ़ें और सही Answer Select करें।

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12th Physics Chapter 7 MCQ Test

तैयारी में दम है तो 36 में से 34 सही करके दिखाओं।

1 / 36

For resonance condition in any L-C-R circuit, the phase difference between applied voltage and current is

2 / 36

In step up transformer, the value of current and secondary coil compared to primary coil is

3 / 36

The phase difference between current and voltage in only capacitive alternating current circuit is

4 / 36

Power factor is equal to

5 / 36

Inductive reactance for direct current is

6 / 36

Power factor for pure inductance is -

7 / 36

Power factor for wattless current is

8 / 36

If there are N1 and N2 turns in the primary and secondary coils respectively in a step down transformer, then

9 / 36

Efficiency of transformer is the ratio of -

10 / 36

The core of a transformer is laminated to stop

11 / 36

The face difference between the current passing through an inductor and voltage across the inductor is an a.c circuit is

12 / 36

For which of the following, capacitor works as infinite resistance?

13 / 36

L-C circuit is called-

14 / 36

Which of the following is correct for transformer  ?

15 / 36

The power factor of series LCR circuit is

16 / 36

The power factor of a series LCR circuit is

17 / 36

A choke coil has

18 / 36

A choke coil is used to control

19 / 36

Alternating current of 3A is the same as

20 / 36

An A.C circuit containing only resistance ,

21 / 36

An A.C circuit containing only resistance,  which is not correct.

22 / 36

Alternating current can be produced by

23 / 36

Alternating current shows

24 / 36

The frequency of A.C in India is

25 / 36

The power factor is for

26 / 36

Reactance of the capacitor with the frequency of alternating current.

27 / 36

The thermal effect of alternating current is practically

28 / 36

For long distance power transmission by using a transformer, the transformer at the source should be

29 / 36

Induction furnace is based on the principle of

30 / 36

S.I unit of impedance is -

31 / 36

Transformer works utilise

32 / 36

A transformer works on

33 / 36

Which of the following material is most suitable to be used for making the core of a transformer.

34 / 36

In LCR circuit energy laws in circuit is -

35 / 36

The core of transformer is laminated to prevent -

36 / 36

By use of a capacitor in induction coil, the emf in secondary is

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Test समाप्त होने के बाद Score देखें और जिन Questions में गलती हुई है उनका Revision करें। बार-बार Practice करने से Objective Questions को हल करने की Accuracy बेहतर हो सकती है।

यह Online Test Class 12 Physics के विद्यार्थियों के लिए Chapter Revision और Self Assessment के उद्देश्य से तैयार किया गया है।

Chapter: Alternating Current
Hindi: प्रत्यावर्ती धारा
Class: 12th
Subject: Physics

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