Which of the following is a fundamental quantity?
- ATorque
- BReactance
- CHeat capacity
- DElectric current
Explanation
Electric current is one of the seven fundamental (base) physical quantities in physics. Torque, reactance, and heat capacity are all derived quantities.
Related questions
More physics practice around this topic.
A boy cycles continuously through a distance of 1.0km in 5 minutes. Calculate his average speed.
WAEC 2025
A student found out from a simple pendulum experiment that 20 oscillations were completed in 38 seconds.
WAEC 2025
A body of mass 7.5 kg is to be pulled along a plane which is inclined at 30º to the horizontal. If the efficiency of the plane is 75%, what is the minimum force required to pull the body up the plane?
WAEC 2025
The angular speed of an object describes a circle of radius 4m with linear constant speed of 10m/s is
WAEC 2025
At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain maximum horizontal range of the bullets?
WAEC 2025
Which of the following will reduce the frequency of oscillation of a simple pendulum?
WAEC 2025