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How much charge flows from a 12.0 V battery when it is connected to a 9.00 microfarad capacitor?
A sphere has a potential difference between it and the earth of 5 V when charged with 14 nanocoulomb. What is the capacitance?
a. The proportion of eligible voters in the next corporation election (in tumkur) who will vote for the incumbent is assumed to be 55%. What is the probability that in a random sample of 500 voters less than 49% say they will vote for the incumbent? Write your conclusion.
Forecast the value for year 2016-17. Year Coal - (Million Tones) Lignite - (Million Tones) 2010-11 532.7 37.73 2011-12 539.95 42.33 2012-13 556.4 46.45 2013-14 565.77 44.27 2014-15 609.18 48.27 2015-16 639.23 43.84
For a certain sinusoidal wave of intensity I, the amplitude of the magnetic field is B. What
would be the amplitude (in terms of B) in a similar wave of twice the intensity?
Is polarization a property of all electromagnetic waves, or is it unique to visible light? Can
sound waves be polarized? What fundamental distinction in wave properties is involved?
Explain.
QUESTION THREE
In a Competitive examination of 5000 students, the marks of the examinees in statistics were found to be distributed normally with mean 45 and standard deviations 14.
Determine the number of examinees whose marks, out of 100 were;
(i) Less than 30. 2MKS
(ii) Between 30 and 70. 2MKS
(iii) Between 60 and 80. 2MKS
(iv) More than 60. 2MKS
(v) More than 40 2MKS
in the context of the circular flow of economic activity, which of the following would not be a traditional activity of the government
An inductor, a capacitor, and a resistor are all connected in series across an ac source.
If the resistance, inductance, and capacitance are all doubled, by what factor does each of the following quantities change? Indicate whether they increase or decrease: (a) the resonance angular frequency; (b) the inductive reactance; (c) the capacitive reactance. (d) Does the impedance double?
A hair dryer is treated as a pure resistor. But because there are coils in the heating element and in the motor that drives the blower fan, a hair dryer also has inductance.
Qualitatively, does including an inductance increase or decrease the values of R, Irms, and P?
