FUTA Physics 2017/2018 Past Questions

Practice each question, then open it to see the full details.

A 240V A.C supply is supplied to operate a kettle that has a resistance of 30 ohms. Calculate the maximum instantaneous current passing through the electric kettle

A.8.00A
B.11.31A
C.0.80A
D.1.13A

A copper cable can withstand a tensile stress of 7 x 10^-9 Nm^-2. If such a cable is used to support a mass of 800g, what is the minimum diameter the cable can have?

A.3.78 x 10^-5m
B.1.88 x 10^-5m
C.1.19 x 10^-3m
D.6.03 x 10^-4m

The reason your hand will not penetrate into a solid wall is that your hand and the wall are covered on the surface with ____ which repel each other.

A.Skin
B.Paint
C.Atoms
D.Electrons

Which of the following quantities is NOT a fundamental quantity?

A.Length
B.Weight
C.Mass
D.Time

If the position of a particle is given by x = 3 - 2t + 3t². Find the velocity at t = 3 seconds

A.8m/s
B.16m/s
C.24m/s
D.12m/s

A tuning fork of frequency 360HZ is sounded together with one of 364HZ. How many beats per second are heard?

A.1
B.2
C.3
D.4

Which of the following devices is not an application of the p-n junction diode?

A.Transformer
B.Detector
C.Rectifier
D.Clamper

An object forms an image three times its own size when placed 10.72cm from the pole of a spherical mirror. What is the focal length if the image is real?

A.7.5cm
B.15cm
C.8.04cm
D.5cm

The negative sign in Faraday’s law of induction is an expression of

A.Kepler’s law
B.Lenz’s law
C.Ohm’s law
D.Norton’s law

Which of the following is correct

A.N = N₀e^λt
B.N = N₀e^-λt
C.t_1/2 = -0.693
D.A = A₀e^λt