Questions

What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question,
choose the correct alternative and click the button corresponding to it.
I have been _____ this problem since noon.

A change in which a substance undergoes a change in its physical properties is called _____________.

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

An upright bar, post, or frame forming a support or barrier

In the following question, four words are given out of which one word is incorrectly spelt. Find the incorrectly spelt word.

DNA stands for _____.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

That which cannot be believed