Question map
Not attempted Correct Incorrect ★ Bookmarked
Loading…
Q72 (IAS/2004) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Electricity and magnetism

Assertion (A) : In our houses, the current in AC electricity line changes direction 60 times per second. Reason (R) : The frequency of alternating voltage supplied is 60 hertz.

Result
Your answer: —  Â·  Correct: C
Explanation

In review

How others answered
Each bar shows the % of students who chose that option. Green bar = correct answer, blue outline = your choice.
Community Performance
Out of everyone who attempted this question.
50%
got it right
✓ Thank you! We'll review this.

SIMILAR QUESTIONS

IAS · 1998 · Q128 Relevance score: -0.69

Assertion (A) : The temperature of a metal wire rises when an electric current is passed through it. Reason (R) : Collision of metal atoms with each other releases heat energy.

IAS · 2008 · Q133 Relevance score: -1.32

Assertion (A) : Radio waves bend in a magnetic field. Reason (R) : Radio waves are electromagnetic in nature. Code:

IAS · 2001 · Q29 Relevance score: -1.47

Assertion (A) : There was an increase in industrial production during 1999-2000. Reason (R) : The period witnessed a stable exchange rate and improved business sentiments.

IAS · 2002 · Q146 Relevance score: -1.62

Assertion (A) : 60°-65° latitudes in both the hemispheres have a low pressure belt instead of high pressure. Reason (R) : The low pressure areas are permanent over oceans rather than on land.

CDS-I · 2005 · Q110 Relevance score: -1.65

Assertion (A) : A pure piece of diamond, on burning stronly, changes into CO2. Reason (R) : Diamond is made up of only carbon atoms.