Three resistors, R₁, R₂ and R₃, (R₁ > R₂ > R₃), are connected to a battery of voltage V, such that the circuit generates maximum heat per unit time. Which one among the following is the correct circuit combination for this?

An electrical circuit having combinations of resistances and capacitance is given below. The current, flowing through the circuit will be: Circuit details: A 10 V DC source is connected to a parallel…

Two resistances of 5 Ω and 7 Ω are connected in series and the combination is connected in parallel with a resistance of 36 Ω. The equivalent resistance of the combination of three resistors is

A parallel-plate capacitor of capacitance C₁ is made using two gold plates. Another parallel-plate capacitor of capacitance C₂ is made using two aluminium plates with same plate separation, and all t…

Two wires are made having same length l and area of cross-section A. Wire 1 is made of copper and wire 2 is made of aluminium. It is given that the electrical conductivity of copper is more than that…

Ms. Rani decides to convert her AC generator into a DC generator. Which one of the following she would need to use?