Which will you prefer for high fidelity reception, the A.M. or F.M.?

Which one will you prefer to measure em.f of a cell, a potentiometer or a voltmeter?

Which one will you prefer to measure em.f of a cell, a potentiometer or a voltmeter?

Which one will you prefer, a common base or a common emitter amplifier?

To measure e.m.f of a cell, which instrument will you use a high resisdance voltmeter or a potentiometer and why?

Explain how will you compare the e.m.f’s of two cells by a potentiometer.

Which of the following lenses would you prefer to use while reading small letters in a diciionary?

Which of the following lenses would you prefer to use while reading small letters in a dicionary?

Which generator do you prefer to install, a.c. or d.c. and why?