Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?

A. Equals the number of holes B. Is less than the number of holes C. Is greater than the number of holes D. Impossible to say E. None of the above

A. solar cell B. thermocouple C. chemical cell D. generator E. None of the above

A. A diamagnetic material B. A paramagnetic material C. A feiTomagnetic material D. All of the above E. None of the above

A. always increases as the applied frequency increases B. is equal to the sum of the values of resistance, inductive reactance and capacitive reactance C. always decreases as the applied frequency increases D. is maximum at the resonant frequency E. None of the above