Sunday

Which of the following liquid is a poor conductor of electricity?

A. molten mercury B. molten steel C. molten iron D. molten copper JAMB CBT Software 2023 - Free Download Correct…

3 years ago

Molecules move in random motion within a liquid. The total internal energy of the liquid depends on all of the following except its?

A. temperature B. mass C. specific heat capacity D. melting point Correct Answer: Option D - melting point Explanation Internal…

3 years ago

A cell whose internal resistance is 0.55Ω delivers a current of 4 A to an external resistor. The lost voltage of the cell is?

A. 4.00 V B. 2.20 V C. 0.15 V D. 8.00 V Correct Answer: Option B = 2.20 V Explanation…

3 years ago

The relationship between the coefficient of linear expansion α and volumetric expansion (γ) is?

A. γ = α−3 B. γ = α C. 3α D. γ = α3 Correct Answer: Option C = 3α…

3 years ago

Tyres are treaded to?

A. increase weight of tyres B. increase friction C. increase its longevity D. look good Correct Answer: Option B -…

3 years ago

A car starts from rest and covers a distance of 40 m in 10 s. Calculated the magnitude of its acceleration

A. 3.20 ms−2 B. 0.25 ms−2 C. 0.80 ms−2 D. 4.00 ms−2 Correct Answer: Option C = 0.80 ms−2 Explanation…

3 years ago

A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when?

A. the magnet is moved towards the stationary solenoid B. there is no relative motion C. the magnet is moved…

3 years ago

A bar magnet is divided into two pieces; which of the following statement is correct?

A. two new magnets are created B. the magnetic field of each separate piece becomes stronger C. the electric field…

3 years ago

Which of these is a derived unit?

A. Kilogram B. Metre C. Newton D. Second Correct Answer: Option C - Newton Explanation Examples of Fundamental Quantities ;…

3 years ago