An AC series circuit contains a resistor of 20.0 ?, an inductor of 74.0 mH and a variable capacitor. If the frequency of the applied voltage is 423 Hz, to what setting should the capacitor be set if resonance is achieved?
a. 1.89E–5 F
b. 7.66E–6 F
c. 5.09E–6 F
d. 1.91E–6 F
e. 1.91E–5 F
d
You might also like to view...
A natural agent of chemical weathering that is enhanced by CO2 pollution is ______________
Fill in the blank(s) with correct word
Which of the following is true about how the planets revolve around the Sun and how the Sun rotates?
a. There is no pattern to the rotation of all these bodies. b. The planets all revolve in one direction and the Sun rotates on its axis in the other direction. c. The planets revolve around the Sun in the same direction that the Sun rotates. d. The Sun rotates on its axis in the opposite direction from the revolution of the planets and thus angular momentum is conserved. e. The Sun does not rotate, but the planets all revolve around it in the same direction.
The dominant force at divergent boundaries is
A) compression. B) tension. C) shearing. D) similar to that in reverse faulting.
A light ray in air strikes a glass surface with an angle of incidence of 
The angle of refraction in the glass is 
What is the speed of light in the glass?
A. 
B. 
C. 
D. 
E. 