An ammeter with a full scale deflection of 10mA has an internal resistance 0.5(Omega). calculate…
An ammeter with a full scale deflection of 10mA has an internal resistance 0.5(Omega). calculate the resistance of…
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The unit of capacitance is
The unit of capacitance is A. farad B. coulomb C. henry D. ohms Correct Answer: Option A Explanation
Which of the following substances does not conduct electricity?
Which of the following substances does not conduct electricity? A. graphite B. glass C. sulphuric acid D. table…
When the pointed end of an uncharged optical pin is brought near the cap cf…
When the pointed end of an uncharged optical pin is brought near the cap cf a positively charged…
The capacitance of a parallel-plate capacitor
The capacitance of a parallel-plate capacitor A. decreases when the seperation between the plate decreases B. increases when…
The correct relationship between “G” and “g” in a gravitational field is given by the…
The correct relationship between “G” and “g” in a gravitational field is given by the equation (Where the…
Which of the following statements about the electromagnetic waves is correct?
Which of the following statements about the electromagnetic waves is correct? A. radio waves have longer frequencies than…
The main difference between echo and reverberation is that
The main difference between echo and reverberation is that A. reverberation is reflected sound while echo is refracted…
two sound waves have frequencies of 12Hz and 10Hz. Calculate their beats period
two sound waves have frequencies of 12Hz and 10Hz. Calculate their beats period A. 0.5s B. 1.0s C.…
The focal length of the eye-piece of an astronomical telescope is f1, while the focal…
The focal length of the eye-piece of an astronomical telescope is f1, while the focal length of the…