What is the effective capacitance in the circuit?
A. 2μF B. 6μF C. 18μF D. 216μF Correct Answer: Option A A. 2μF Explanation 1/c=1/6+1/6+1/6 = 1+1+1/6=3/6=1/2 = 2μFAs the plates of a charged variable capacitor are moved closer together, the potential difference between them.
A. increased B. decrease C. remains the same D. is doubled Correct Answer: Option B B. decreaseThe magnitude of the gravitational force between two particles 0.10m apart is 10N. If the distance between them is increased to 0.20m, calculate the magnitude of the new force.
A. 40.0N B. 20.0N C. 5.0N D. 2.5N Correct Answer: Option D D. 2.5NIf the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of vibration of the wire when the tension in the wire is increased to 196N
A. 130.6Hz B. 182.9Hz C. 358.4Hz D. 501.8Hz Correct Answer: Option C C. 358.4HzProducts
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