by Sunday | Nov 10 | Physics JAMB
A. 4.0 ms‾¹ B. 6.6 ms‾¹ C. 12.1 ms‾¹ D. 21.0 ms‾¹ Correct Answer: Option C – 12.1 ms‾¹
by Sunday | Nov 10 | Physics JAMB
A. 0° B. 45° C. 90° D. 180° Correct Answer: Option C = 90° Explanation R² – P² + Q² = 12² + 5² = 144 + 25 = 169 ∴R = √169 = 13N ∴ angle between the forces is 90°
by Sunday | Nov 10 | Physics JAMB
A. ML2T-3I-1 B. ML2T-3I-2 C. M2LT-2I-1 D. M2L2T-1I-1 Correct Answer: Option A = ML2T-3I-1 Explanation Electrical work W = QE, Where Q is the quantity of change and E is the electromotive force. ∴ E = W = FxDQ_It Where D is the displacement,I = current and t = time But...
by Sunday | Nov 10 | Physics JAMB
I. for current amplification. II. for voltage stabilization. III. for power amplification. IV. as a switch. A. I, II, III and IV B. I, III, and IV only C. I, II and III only D. I, II and IV only Correct Answer: Option B = I, II and III only Explanation Transistor is...
by Sunday | Nov 10 | Physics JAMB
A. increases B. decreases C. remains the same D. increases and then decreases Correct Answer: Option B – decreases Explanation Heating a pure semiconductor increases the mobility of electrons and holes and hence the conductivity. thus, the resistance decreases...