Theory

CH21 - ELECTRONICS

(a) (i) State what is meant by rectification of an alternating voltage...................................................................................

2024 Winter

4

Theory

CH21 - ELECTRONICS

(a) (i) State what is meant by rectification of an alternating voltage...................................................................................

2024 Winter

4

Theory

CH21 - ELECTRONICS

(a) State what is meant by the de Broglie wavelength.....................................................................................................

2023 Summer

4

Theory

CH21 - ELECTRONICS

(a) State what is meant by the de Broglie wavelength.....................................................................................................

2023 Summer

6

Theory

CH21 - ELECTRONICS

(a) State two properties of an ideal operational amplifier (op-amp).1. ..................................................................................

2021 Winter

3

Theory

CH21 - ELECTRONICS

(a) An operational amplifier (op-amp) has two input terminals and one output terminal.State what is meant by the gain of an op-amp.......................

2021 Winter

4

Theory

CH21 - ELECTRONICS

(a) Two properties of an ideal operational amplifier (op-amp) are infinite input impedance and infinite bandwidth.State what is meant by:(i) infinite ...

2021 Summer

5

Theory

CH21 - ELECTRONICS

(a) State two properties of an ideal operational amplifier (op-amp).1. ..................................................................................

2021 Winter

4

Theory

CH21 - ELECTRONICS

The output of a microphone is processed using a non-inverting amplifier. The amplifier incorporates an operational amplifier (op-amp).(a) State, by re...

2020 Summer

5

Theory

CH21 - ELECTRONICS

An ideal operational amplifier (op-amp) is to be used in a comparator circuit. Part of the comparator circuit is shown in Fig. 7.1. [Image_1: Fig. 7.1...

2020 Winter

3

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which unit is an SI base unit?

2024 Summer

4

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which of the following could have the same units as force?

2024 Summer

3

MCQ

CH3 - KINEMATICS

The velocity of an object changes from an initial velocity $u$ to a final velocity $v$. The vectors represent these velocities. Which single vector r...

2024 Summer

8

MCQ

CH3 - KINEMATICS

An object is moving with initial velocity $u$. The object then moves with uniform acceleration $a$ for time $t$ until it reaches final velocity $v$. ...

2024 Summer

4

MCQ

CH3 - KINEMATICS

Which calculation produces a vector quantity?

2024 Summer

4

MCQ

CH2 - MEASUREMENT TECHNIQUES

A thermometer can be read to an accuracy of ±0.5°C. This thermometer is used to measure a temperature rise from 40°C to 100°C. What is the percent...

2024 Summer

4

MCQ

CH3 - KINEMATICS

The diagram shows the path of a golf ball. Which row describes changes in the horizontal and vertical components of the golf ball’s velocity ...

2024 Summer

4

MCQ

CH3 - KINEMATICS

An aircraft flies from London to Sydney in a time of 21 hours 40 minutes. The distance travelled is 17 000 km. What is the average speed of the airc...

2024 Summer

3

MCQ

CH3 - KINEMATICS

A golf club hits a golf ball. The graph shows how the force $F$ on the ball varies with time $t$. Which graph shows how the velocity $v$ of the bal...

2024 Summer

3

MCQ

CH4 - DYNAMICS

What is meant by the mass and by the weight of an object on the Earth?

2024 Summer

5