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A coil of inductance 0.1H and resistance 100 Omega are connected to a 210V, 50Hz AC supply. Find the maximum current in the coil and time lag between maximum voltage and maximum current.

How much inductance should be connected to 200 V, 50 c/s supply so that a maximum current of 0.5 A flows through it ?

What should be the value of self inductance of an inductor that should be connected to 220 V, 50 Hz supply so that a maximum current of 0.9 A flows through it?

Find the best arrangement for 36 cells, each of emf 1.5 volt and internal resistance 0.5 ohm when they are connected with 2 ohm resistance. Calculate the maximum current in the arrangement.

Statement: The army has been alerted in the district following floods triggered by incessant rains. Courses of Action : I. Relief to flood-affected people should be arranged. II. Supply of food articles should be arranged. III. Adequate medical facilities should be arranged.

A coil of inductance 0.50H and resistance 100 Omega is connected to a 240V , 50Hz ac supply. What are the maximum current in the coil and the time lag between voltage maximum and current maximum?