Skip to content 
11.1 Complete: Opposite angles of a cyclic quadrilateral … (1) 11.2 In the figure, ABCD is a cyclic quadrilateral. AB ║ DC in circle with centre O. BC and AD produced meet at M. D3 = 𝑥 11.2.1 Show that MC = MD. (5) 11.2.2 If D3 = 𝑥, determine the value of M̂ , … Read more
Refer to Circuits A and B below and answer the questions that follow. 11.1 Define the term emf. (2) 11.2 Calculate the total resistance of Circuit A. (2) 11.3 Consider Circuit B. 11.3.1 Write down the reading on A2. (1) 11.3.2 Calculate the reading on V1. (3) 11.4 If a third resistor (1,5 Ω) is … Read more
The threshold frequencies of caesium and potassium metals are given in the tablebelow. 11.1 Define the term work function in words. (2) 11.2 Which ONE of the two metals in the table has the higher work function?Give a reason for the answer by referring to the information in the table. (2) The simplified diagrams below … Read more
A SQUARE induction coil with a side length 3 cm and 400 windings, is placedperpendicularly in a uniform magnetic field and then rotated through an angle of 45ºin 0,08 s. An emf of 7 V is induced in the coil. 11.1 State Faraday’s law of electromagnetic induction in words. (2) 11.2 Calculate the change in … Read more
The following diagram is the representation of the water cycle and the processesinvolved. 11.1 Of which sphere in the earth’s system is the water cycle a part of? (1) 11.2 Briefly describe the process of precipitation. (2) 11.3 Process A takes places place in living plants. Name process A. (1) 11.4 Write down ONE advantage … Read more
11.1 Define the term potential difference. (2) 11.2 In the electric circuit given below, the ammeter and connecting wires have negligible resistance and the battery have no internal resistance. 11.2.1 Calculate the total resistance of the circuit. (3) 11.2.2 Calculate the amount of charge that flows through the 6 Ω in 40 seconds if the … Read more
11.1 Consider the circuit diagram below. Switch S is OPEN. 11.1.1 Write down the reading on the following: (a) Voltmeter (V1) (1) (b) Ammeter (A1) (1) Switch S is now CLOSED. 11.1.2 Calculate the equivalent resistance of the circuit. (4) 11.1.3 Calculate the reading on voltmeter V2. (3) 11.1.4 How do the readings on ammeters … Read more
In the circuit diagram below, the resistance of the battery, ammeter and connecting wires are negligible. 11.1 Explain the meaning of the following: A current of 5 A (2) 11.2 Calculate the effective resistance of the parallel resistors. (3) 11.3 Which one of the voltmeters, V1 or V2, will show a reading if the switch … Read more