A student working with a transmitting apparatus like Heinrich Hertz’s wishes to adjust the electrodes to generate electromagnetic waves with a frequency half as large as before. How large should she make the effective capacitance of the pair of electrodes?
1.four times larger than before
2.two times larger than before
3.one-half as large as before
4.one-fourth as large as before
5.none of those answers
1
You might also like to view...
Meters: A galvanometer has a coil with a resistance of 24.0 ?, and a current of 180 ?A causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for 10.0 A, what shunt resistor is required?
A. 234 ?? B. 342 ?? C. 432 ?? D. 423 ??
________ is the most important quality of an astronomical telescope.
A. Magnification B. Rigidity C. Ability to see at night D. Resolving power
Most of the matter in the universe is dark matter
Indicate whether the statement is true or false
Beyond the scale of superclusters, galaxies are randomly distributed throughout the universe
Indicate whether the statement is true or false