List of top Questions asked in TS POLYCET

Angle between the tangent and radius drawn through the point of contact is

The mean of 17, 4, 8, 6 and 15 is m, the median of 8, 14, 10, 5, 7, 5, 20, 19 and n is (m-1). Then the values of m and n are

Two metallic wires 'A' and 'B' are having same cross-sectional areas and same current passes through them. Find ratio of drift velocity of electrons in wire 'A' and 'B'.
[electron density of wire A = 8.0×10²⁸m^-3 and electron density of wire B = 9.0×10²⁸m^-3]

\(△ABC∼△PQR;\) \(\frac {AB}{PQ}=\frac {BC}{QR}=\frac {AC}{PR}=k\), then \(k\) value

In hundred numbers 20 are fours, 40 are fives, 30 are sixes remaining are tens then arithmatic mean is

Which of the following relation is correct regarding potential difference (V)?

Which of the following materials has high value of specific resistance?

Solution of the equations \(7x+5y=12, \ 5x-7y=-2\) is not equal to

The graph shows relation between induced emf (Φ) and time (t). During which time period there is no change in induced electromotive force?

The equation "E = hv" is proposed by

\(△ABC∼△XYZ;\ ∠C=60°;\ ∠B=75°\) then \(∠Z=\) ______.

Which is not a application of the Faraday's law?

Match the following and select correct option:

Group-A		Group-B
(1)	DYNAMO rule	(A)	Gauss
(2)	Magnetic field	(B)	Fleming's right hand rule
(3)	Electro magnet	(C)	Weber
(4)	Magnetic flux	(D)	Microphone

P: The magnetic field lines always start from north pole.
Q: The magnetic field lines are open loops.

If force acting on current carrying conductor inside a magnetic field is \(F=\frac {IlB}{\sqrt 2}\). Find the angle between plane of conductor and magnetic field intensity direction.

In an AC generator direction of current changes because of _____ .

Three conductors having resistance values 2 ohm, 3 ohm and 4 ohm are connected in parallel. Find equivalent resistance.

If \(A=\frac {\pi}{4}\), then \((1+tanA) (1+tan^2A) (+tan^3A)=\)

If the angle of elevation of the Sun is 60°, then the ratio of a tree with its shadow is

A bag contains 6 red balls, 12 green balls and 8 black balls. Find the probability that the ball drawn is either a black or a red ball.

If two dice are rolled simultaneously then the probability that the numbers on them are different is

If A = 45°, B = 60° then sin A+ cos B

If A, B, C, D are angles of a cyclic quadrilateral, then sin A + sin B - sin C - sin D =?

If a coin is tossed 3 times, then the probability of getting at least one head is