A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to__________?

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The best place to install a capacitor is___________?

A. very near to inductive load B. across the terminals of the inductive load C. far away from the inductive load D. any where...

If two sine waves of the same frequency have a phase difference of JT radians, then_______?

A. both will reach their minimum values at the same instant B. both will reach their maximum values at the same instant C. when one wave reaches its maxi¬mum value, the other will reach its minimum value D. none of the above...

When an alternating current passes through an ohmic resistance the electrical power converted into heat is__________?

A. apparent power B. true power C. reactive power D. none of the above...

The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be___________?

A. 282.8 V B. 141.4 V C. 111 V D. 100 V...

A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to_________?

A. the big size of the inductor B. the reactance of the inductor C. the current flowing in the inductor D. the statement given is false...