Answers Which of the following statements about an electromagnet is correct? Which of the following statements about an electromagnet is correct? A. it is a temporary magnet B. its strength depends on the current C. its stength depends on the number of turns in its coil D. it has permanent poles Correct Answer: Option D Explanation
Answers In the figure, PQR is a semicircle. Calculate the area of the shaded region In the figure, PQR is a semicircle. Calculate the area of the shaded region A. 125(frac{2}{7})2 B. 149(frac{2}{7})cm2… Read More
Answers A satellite moves in a circular orbit of radius 4R round the earth. The acceleration… A satellite moves in a circular orbit of radius 4R round the earth. The acceleration of the satellite… Read More
Answers Find the area of the curved surface of a cone whose base radius is 3cm… Find the area of the curved surface of a cone whose base radius is 3cm and whose height… Read More
Answers A nutritional deficiency disease of livestock is A nutritional deficiency disease of livestock is A. rinderpest B. contagious abortion C. oesteomalacia D. coccidiosis E. tuberculosis… Read More
Answers One of the seven Hellenists who preached the gospel in Samaria, and from Azotus to… One of the seven Hellenists who preached the gospel in Samaria, and from Azotus to the Syrian capital,… Read More