Physics 2004 NECO Past Questions

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Which of these expresses the relationship between the earth’s magnetic field FE, and the field’ FB due to a magnet at neutral points? FE is

A. equal and opposite to F^B
B. equal to and in the same direction with F^B
C. greater than and in the same direction with F_B
D. greater than and opposite to F_B
E. less than and opposite to F_B

View Answer & Discuss NECO 2004

The general equation of a wave CANNOT be written as

A. y = A Sin [2 π (\(\frac{t}{T}\) ± Xλ)]
B. y = A Sin [wt ± kx]
C. y = A Sin [2 \(\frac{\pi}{\lambda}\) (vt ± x)]
D. y = A Sin [2π (ft ± \(\frac{X}{\lambda}\) )]
E. y = A Sin 2 π f(T ± \(\frac{X}{\lambda}\))]

View Answer & Discuss (2) NECO 2004

A voltage supply of 12V r.m.s. and frequency 90Hz is connected to a 4 ω resistor. Calculate the peak value of the current

A. 48.8 A
B. 30.0 A
C. 27.5 A
D. 4.2 A
E. 3.0A

View Answer & Discuss (5) NECO 2004

Which of the following conclusion(s) can be drawn from Newton’s second law of motion? Force is proportional to

I. the product of mass and acceleration
II. the product of mass and velocity
III. Impulse

A. I only
B. II only
C. III only
D. II and III only
E. I, II and III

View Answer & Discuss (3) NECO 2004

How far from a hill should a boy stand to hear the echo of his clap 1 .6s later? [Speed of sound in air is 340ms^-1]

A. 186m
B. 272m
C. 544m
D. 1088m
E. 2000m

View Answer & Discuss (1) NECO 2004

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Physics 2004 NECO Past Questions

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