### cameroon gce advance level June 2021 physics paper 1

cameroon gce advance level June 2021 physics paper 1

The heating element of an electric kettle has a

resistance of 30.0 ft. The kettle is connected

to an a.c. power supply of root mean square

voltage 230 V. The peak value of the current

Section I 6.

(Thirty five questions)

Questions: 1- 35

Direction: Each of the thirtyJive questions or

incomplete statements in this section is followed

by four suggested answers. Select the best

answer in each case.

is:

A 7.7 A

B 10.8 A

C 5.4 A

Which of the following are both base units in D 15.2 A

the’S.i. system of units?

A ampere and metre

B coulomb and second

C volt and kilogram

D ohm and kelvin

1.

An Earth satellite of mass /;/ revolves at a

height h from the surface of the Earth. If R is

the Earth’s radius and g is the acceleration

due to gravity at the surface of the Earth, then

the velocity of the satellite is given by:

7.

Select the sets of quantities that both have the

same units

A Electrical resistivity and thermal

resistivity.

B Work function and Planck’s constant

C Pressure and the Young’s modulus

D Energy and rate of change of

momentum

3. A particle oscillates with undamped simple R+h

harmonic motion. Which one of the following

statements about the acceleration of the

oscillating particle is true?

It is least when the speed is greatest.

It is always in the opposite direction to

its velocity

£ It is proportional to the frequency.

D It decreases as the potential energy

increases

A container is filled with a sample of an ideal

gas at a pressure of 1.5 atm. The gas is

compressed isothermally to one-fourth of its

original volume. What is the new pressure of

the gas in atmospheres?

A 3

B 1

C 4

D 6