Engineering Questions

409 solved questions with detailed explanations

111

Q.27. The charge stored by the capacitor C in the given circuit in the steady state is .......... C. [Figure: Circuit diagram with capacitor]

JEE MainPhysics
112

Q.9. Let the mid points of the sides of a triangle ABC be , and . If its incentre is , then is equal to :

JEE MainMathematics
113

Q.31. An object of uniform density rolls up the curved path with the initial velocity v as shown in the figure. If the maximum height attained by an object is (g = acceleration due to gravity), the o

JEE MainPhysics
114

Q.5. Let be a set of matrices. Then the number of matrices in S, for which the sum of the diagonal elements is equal to 4, is:

JEE MainMathematics
115

Q.6. Let . Then the sum of all elements of the matrix is equal to :

JEE MainMathematics
116

Q.40. Two known resistance of R and 2R and one unknown resistance X are connected in a circuit as shown in the figure. If the equivalent resistance between points A and B in the circuit is X , then

JEE MainPhysics
117

Q.57. Given below are two statements:R = 8.314 J K⁻¹ mol⁻¹ and 1 cal = 4.2 JStatement I: When = 12.6 kcal/mol, the room temperature rate constant is doubled by a 10°C increase in temperature (298 K t

JEE MainChemistry
118

Q.61. The correct statements are: A. Activation energy for enzyme catalysed hydrolysis of sucrose is lower than that of acid catalysed hydrolysis. B. During denaturation, secondary and tertiary struct

JEE MainChemistry
119

Q.18. The area of the region bounded by the curves x + 3y= 0 and x + 4y = 1 is equal to :

JEE MainMathematics
120

Q.58. The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT statements about E are A. It can act as a reducing agent. B. It c

JEE MainChemistry