AP EAMCET Mock Test - 8 - JEE MCQ
30 Questions MCQ Test - AP EAMCET Mock Test - 8
Two wires of equal length are placed perpendicular to the plane of paper at a distance of 5 cm from each other. If the currents flowing in first and second wires are 2 A and 5 A respectively in opposite direction, then the resultant magnetic field at mid-point of both the wires is
Which statement is true ?
(i) Kirchhoff's law is not equally applicable to both AC and DC.
(ii) Semiconductors have a positive temperature coefficient of resistance.
(iii) Meter bridge is least sensitive when the resistance of all the four arms of the bridge are of the same order .
(iv) The emf of a cell depends upon the size and area of electrodes.
(i) Kirchhoff's law is not equally applicable to both AC and DC.
(ii) Semiconductors have a positive temperature coefficient of resistance.
(iii) Meter bridge is least sensitive when the resistance of all the four arms of the bridge are of the same order .
(iv) The emf of a cell depends upon the size and area of electrodes.
The force experienced by the cathode rays when they pass through an electric field of intensity E → is
When a glass prism of refracting angle 600 is immersed in a liquid its angle of minimum deviation is 300 . The critical angle of glass with respect to the liquid medium is
A coil of wire of radius r has 600 turns and a self inductance of 108 mH. The self inductance of a similar coil of 500 turns will be
When current cahnge from + 2 A to -2 A in 0.05 s, an e.m.f. of 8 V is induced in a coil. The coefficient of self inductance of the coil is
A charge q is placed at the corner of a cube of side l. The electric flux passing through the cube is
How many moles of magnesium phosphate, Mg3 (PO4)2 will contain 0.25 mole of oxygen atoms?
Which is the most suitable reagent for the following transformation?
The number of π-bonds present in benzoic acid molecule are
y = A ex + B e2x + C e3x satisfies the diferential equation
The condition for the roots of the equation (c2-ab)x2-2(a2-bc)x+(b2-ac)=d are equal, is
When two dice are thrown, the probability of getting the sum 10 or 11 is
If A and B are two events such that P(A) = p, P(B) = q, P (A ∩ B) = r , then the probability that A occurs but B does not occur, is
The solution of the equation cosx cosy (dy/dx)=-sinx siny is
The slope of the tangent at the point (h, h) of the circle x2 + y2 = a2 is
The differential equation of family of lines which passes (1,-1) is
The smaller area enclosed by the circle x2 + y2 = 9 and the line x = 1 is
If the straight lines x = 1 + s, y = -3 - λs, z = 1 + λs and x = t/2, y = 1 + t, z = 2 - t, with parameters s and t respectively, are co-planar, then λ equals
In Δ A B C , If a2 + b2 + c2 = 8 R2 , then the triangle is
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