Electric Circuits, Resistance and Ohm's Law — Physics STD 10 — Question

A machine displaces a load of 125 kgf through a distance 0.3 m, when an effort of 12.5 kgf acts through a distance of 4.0 m then, the velocity ratio of the machine is:

For minimum deviation the angle of incidence ________ angle of refraction.

Huge trailer trucks have their steering wheel of ___________ diameter.

Consider the following:
(I) Surface area of electrodes
(II) Distance between two electrodes
(III) Temperature of the electrolyte
Which of the above affect the internal resistance of a cell?

The loss of energy in an actual machine due to:

The deviation produced in case of an equiangular prism is called:

The most suitable material for making the core of an electromagnet __________ .

The magnetic field lines inside a solenoid are:

A fuse wire is connected in___________ before the switch.

A machine in which the displacement of load is more than the displacement of effort, such a machine: