Which of the following are found in the receiver but not ...
Which of the following are found in the receiver but not in the microphone of a telephone handset?
i. Diaphragm.
ii. soft iron pole pieces.
iii. permanent magnet.
iv.carbon blocks
i and ii
i and iv
ii and iii
iii and iv
Correct answer is B
No explanation has been provided for this answer.
A certain radioisotope of 23592U emits four alpha particles and three beta particles. The ...
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The molecular structure of a liquid is such that ...
Which of the following substances is the most volatile at room temperature? ...