The capacitance of parallel plates capacitors varies
The capacitance of parallel plates capacitors varies A. inversely as the square of the distance between the plates…
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Which of the following instruments is used to determine the accurate value of the electromotive…
Which of the following instruments is used to determine the accurate value of the electromotive force of a…
A charge of 2.0 x 10(^{-5}) C experiences a force of 80N in a uniform…
A charge of 2.0 x 10(^{-5}) C experiences a force of 80N in a uniform electric field. Calculate…
A potential difference of 12V is applied across the ends of a 6(Omega) resistor for…
A potential difference of 12V is applied across the ends of a 6(Omega) resistor for 10 minutes. Determine…
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Which of the following statements about waves in pipes is correct? A. for open pipes, there is only…
When a person holds a negatively charges metal rod and stands bare-footed on the ground,…
When a person holds a negatively charges metal rod and stands bare-footed on the ground, how will the…
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Which of the following radiations has it’s frequency lower than that of infrared radiation? A. Utra-violet rays B.…
A string under tension produces a note of frequency 14Hz. Determine the frequency when the…
A string under tension produces a note of frequency 14Hz. Determine the frequency when the tension is quadrupled.…
A diverging lens of focal length 30cm produces an image 20cm from the lens. Determine…
A diverging lens of focal length 30cm produces an image 20cm from the lens. Determine the object distance…
Which of the following statements about the Galilean telescope is not correct?
Which of the following statements about the Galilean telescope is not correct? A. the final image is inverted…