CURRENT ELECTRICITY | Combination of Resistance |Class 12 Physics |6 PM By Abhinav Sir |L4| Doubtnut

A sinusoidal voltage Vsin(at) is applied across a series combination of resistance R and inductor L. The amplitude of the current in the circuit is

A uniform wire of resistance R and length L is cut into four equal parts , each of lengths L/4, which are then connected in parallel combination. The effective resistance of the combination. The effective resistance of the combination will be

A series combination of two resistors 1 Omega each is connected to a 12 V battery of internal resistance 0.4 Omega . The current flowing through it will be

Circuit Theory - Current Electricity | Physics for JEE, NEET, CLASS 12

As electric lamp and a conductor of resistance 4 Omega are connected in series to a 6 V battery. The current drawn by the lamp is 0.25 A. Find the resistance of the electric lamp.

What is the (a) maximum (b) minimum total resistance that can be secured by combination of four resistors of resistances 2 Omega , 4 Omega , 6 Omega , 12 Omega ?

NEET 2020 - Revision In 60 Days | Class 12 | Current Electricity Part -1 | Quick Revision

NEET 2020 - Revision In 60 Days | Class 12 | Current Electricity Part -2 | Quick Revision

NEET 2020 - Revision In 60 Days | Class 12 | Current Electricity Part -3 | Quick Revision

The resistance of an electric bulb drawing 1.2 A current at 6 V will be