MCQ
The power loss in an $AC$ circuit can be minimized by.
  • Decreasing resistance and increasing inductance
  • B
    Decreasing inductance and increasimg resistance
  • C
    Increasing both inductance and resistance
  • D
    Decreasing both inductance and resistance

Answer

Correct option: A.
Decreasing resistance and increasing inductance

In an $AC$ circuit, power loss can be minimized by decreasing in resistance and by increasing in inductance.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

When a ray of light emerges from a block of glass, the critical angle is
An electric field of $1500\, V / m$ and a magnetic field of $0.40\, weber / meter^2$ act on a moving electron. The minimum uniform speed along a straight line the electron could have is
In a plane electromagnetic wave, the directions of electric field and magnetic field are represented by $\hat{ k }$ and $2 \hat{ i }-2 \hat{ j },$ respectively What is the unit vector along direction of propagation of the wave.
Charge of $2Q$ and $-Q$ are placed on two plates of a parallel plate capacitor. If capacitance of capacitor is $C$, potential difference between the plates is
A wall clock uses a vertical spring-mass system to measure the time. Each time the mass reaches an extreme position, the clock advances by a second. The clock gives correct time at the equator. If the clock is taken to the poles it will:
Minimum number of capacitors of $2\,\mu F$ capacitance each required to obtain a capacitor of $5\,\mu F$ will be
From Maxwell’s hypothesis, a charging electric field gives rise to:
Find the charge in steady state of the capacitor. (in $nC)$
A conducting rod of mass $m$ and length $l$ is free to move without friction on two parallel long conducting rails, as shown below. There is a resistance $R$ across the rails. In the entire space around, there is a uniform magnetic field $B$ normal to the plane of the rod and rails. The rod is given an impulsive velocity $v_0$ Finally, the initial energy $\frac{1}{2} m v_0^2$
In an $A.C.$ circuit, $I_{\text {rms }}$ and $I_{0}$ are related as