Past Questions And Answers
Write on the Quran as a source of guidance in all spheres of life.
View Discussion (0)WAEC 2017 THEORYThe long run is a period when
- A. only the variable factors can be altered
- B. all factors become variable
- C. the firm will cease to exist
- D. only the fixed factors can be altered
(a) State two essential differences between a moving coil galvanometer and a d.c. generator.
(b) Explain the term eddy currents and statetwo devices in which the currents are applied.
(c) State the principle on which the potentiometer is based when it is functioning.
(d) A source of e.m.f. 110 V and frequency 60Hz is connected to a resistor, an inductor and a capacitor in series. When the current in the capacitor is 2A, the potential differences across the resistor is 80 V and that across the inductor is 40 V. Draw the vector diagram of the potential differences across the inductor, the capacitor and the resistor.
Calculate the:
(i) potential difference across the capacitor;
(ii) capacitance of the capacitor;
(iii) inductance of the inductor. [π = 3.14]
View Discussion (0)WAEC 2009 THEORYFind (X-Y) if 4x - 3y = 7 and 3x - 2y = 5
- A. 4
- B. 3
- C. 2
- D. -2
The accounting entry to record the premium on goodwill is to debit?
- A. cash and credit old partners' capital
- B. goddwill and credit revaluation
- C. assets and credit capital
- D. capital and credit assets
Which of the following species correctly represented an ion of M with 13 protons and 10 electrons?
- A.10M3+
- B.10M3-
- C.13M3+
- D.13M3-
The oxidation states of chlorine in HOCl, HClO3 and HCLO4 are respectively?
- A. -1, +5, and +7
- B. -1, -5 and 7
- C. +1, +3 and +4
- D. +1, +5 and +7
From the words or group of words lettered A to D below each of the following sentences, choose the one that is nearest in meaning to the underlined word or group of words as it is used in the sentence.
We had toprevail upon him to accept the offer
- A. persuade
- B. over-rule
- C. cajole
- D. provoke
According to Joseph's interpretation to Pharaoh's dreams; the seven empty ears blighted by the east wind represented years of
- A. famine
- B. abundance
- C. farming
- D. Harvest
Use the information below to answer questions 17 and 18.
Opening balance.............................N10,640
Purchases...................................N26,912
Returns inwards.............................N492
Returns outwards............................N810
Cash discount received......................N1,348
Cash discount allowed.......................N1,560
Cash paid to suppliers......................N20,808
At the year end, the purchases ledger showed a debit balance of N108.
The total on the debit side of the purchases ledger control account will be?
- A. N22,966
- B. N22,156
- C. N21,834
- D. N21054