a charged particle enters at 30 degree to the magnetic field .its path becomes(a)circular (b)helical (c)elliptical (d)st.line
the resistance of a silver wire at 0 degree celsius is 1.25 ohm.upto wat temp. it must b heated so dat its resistance is doubled?(alpha silver=0.00375/degree celsius.will d temp. be same for all silver conductors of all shapes??
TWO VECTORS A AND B ARE SUCH THAT A + B = A - B.THEN SELECT THE INCORRECT ALTERNATIVE :
(1) A . B =0
(2) A X B =0
(3) A= 0
PLEASE EXPLAIN IN DETAIL.
what should be the coefficient of friction between the tyres and the road, when a car is travelling at 60km/h makes a level turn of radius 40m?
A magnetic needle, perfectly balanced about a horizontal axis, is free to swing in a plane of the magnetic meridian. In its equilibrium position, the needle makes an angle 'a (alpha)' with the vertical direction at that place. What is the angle of dip at the place?
Copyright © 2021 Aakash EduTech Pvt. Ltd. All rights reserved.