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 not an SI base unit?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

What is the best estimate of the number of atoms in a piece of metal of volume 50 cm$^3$?

2023 Summer

3

MCQ

CH2 - MEASUREMENT TECHNIQUES

A copper pipe has a true diameter of 42.03 mm.A builder measures the diameter of the pipe five times using digital calipers. The measurements are show...

2023 Summer

3

MCQ

CH3 - KINEMATICS

Two forces, each of 10 N, act at a point P, as shown. The angle between the directions of the forces is 120°. What is the magnitude of the result...

2023 Summer

2

MCQ

CH3 - KINEMATICS

One object moves directly from P to R. In a shorter time, a second object moves from P to Q to R. Which statement about the two objects is correct...

2023 Summer

3

MCQ

CH3 - KINEMATICS

A ball is kicked so that it has an initial velocity of 12 m s⁻¹ at an angle of 50° to horizontal ground. Assume that air resistance is neg...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A camera drone of mass 1.20 kg hovers at a fixed point above the ground. The drone has four propellers. In a time of 1.00 s, each propeller pushes ...

2023 Summer

2

MCQ

CH4 - DYNAMICS

A box rests on the Earth, as shown. Newton’s third law describes how forces of the same type act in pairs. One of the forces of a pair is the w...

2023 Summer

3

MCQ

CH5 - FORCES, DENSITY & PRESSURE

A small ball is held at the surface of liquid oil in a container. The ball is released from rest and falls through the oil. The ball has velocity $v$....

2023 Summer

3

MCQ

CH4 - DYNAMICS

An object of mass $m$, moving at speed $u$ along a frictionless horizontal surface, collides head-on with a stationary object of mass $4m$. After t...

2023 Summer

2