Homework Help for Electrical Engineering

194. What can be used to estimate resonant frequency and to find reactance at any frequency for any value of capacitor or inductor?

193. What is the total effective capacitance of two 0.25 μF capacitors connected in series?

192. The curve between current and frequency is termed as

191. If the output resistance of a voltage source is 4 Ω, it internal resistance should be

190. What is the reciprocal of capacitance?

189. A series RL circuit has R of 10 Ω and XL of 5 Ω, its impedance in rectangular form is given by

188. Which of the following capacitors is suitable for dc filter circuits?

187. What is the most common non-sinusoidal waveform?

186. The capacitor opposes any change in voltage across it by

185. The temperature-resistance coefficient of pure gold is

184. When frequency of an ac wave decreases, the value of XL in a coil

183. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate of 3 A?

182. A capacitor consists of two

181. For multi-plate capacitor, capacitance is proportional to

180. The electric field strength between capacitor plates has a unit of