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The V sign moves two spaces (each space is equal to half-a-side of the square boundary) and one space ACW alternately. The '=' sign moves one space and two spaces ACW alternately.
What is the point called where the total mass of a body is considered to be concentrated?
In AC circuits, AC meters measure –
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
The colour of sky appears blue due to –
Which of the following is NOT a non-contact force?
Global warming is expected to result in
A displacement-time graph is curved and concave downward from t = 0 to t = 2 s. Which statement is true?
In MRI machine, which one of the following is used?
The charge of an electron is approximately:
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves: