AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Oppose sudden changes in voltage Connecting them in parallel increases the total value Can act as energy storage devices Can dissipate considerable amount of power Oppose sudden changes in voltage Connecting them in parallel increases the total value Can act as energy storage devices Can dissipate considerable amount of power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a sine wave the slope is constant Between 180° and 270° Between 0° and 90° Between 90° and 180° No where Between 180° and 270° Between 0° and 90° Between 90° and 180° No where ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The main cause of silting up a channel, Non-regime section All of these Defective head regulator Inadequate slope Non-regime section All of these Defective head regulator Inadequate slope ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Increase in temperature Skin effect Capacitive effect between adjacent coil turns Iron loss in core Increase in temperature Skin effect Capacitive effect between adjacent coil turns Iron loss in core ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to None of the listed here R.m.s. voltage Peak voltage Average voltage None of the listed here R.m.s. voltage Peak voltage Average voltage ANSWER DOWNLOAD EXAMIANS APP
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