Question
Write the magnitude of average value of alternating current for a complete cycle.
✓
Answer
The average value of alternating current for a complete cycle is zero.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A box is pushed through 4.0m across a floor offering 100N resistance. How much work is done by the resisting force?
A room is illuminated by an extended source. The illuminance at a particular portion of a wall can be increased by:
- Moving the source.
- Rotating the source.
- Bringing some mirrors in proper positions.
- Changing the colour of the source.
Why is it difficult to walk on solid ice?
What is the reason that the numbers of absorption transitions is less than the emission transition in atom?
A mobile phone lies along the principal axis of a concave mirror, as shown in Fig. 9.7. Show by suitable diagram, the formation of its image. Explain why the magnification is not uniform. Will the distortion of image depend on the location of the phone with respect to the mirror?
The dielectric constant decreases if the temperature is increased. Explain this in terms of polarization of the material.
The graph between the stopping potential $\left( V _{ o }\right)$ and frequency $(v)$ for two different metal plates P and Q are shown in the figure. Which of the metals has greater work function and why?
→Which mirror does the driver use to see the traffic behind in motor vehicles and why?
Answer the following questions:
The earth may have even reversed the direction of its field several times during its history of 4 to 5 billion years. How can geologists know about the earth’s field in such distant past?
The earth may have even reversed the direction of its field several times during its history of 4 to 5 billion years. How can geologists know about the earth’s field in such distant past?
What type of electric field is shown by the lines in the figure?
