The green book is 30 cm long, 15 cm wide and 3 cm high. What is the Volume?

1,350cm³

Explanation:

Volume = LWH

= 30 × 15 × 3 = 1,350cm³

pecialized keyboards

96.77 amp

explanation:

rl = 250/100 = 2.5 ohms.

egl = 250 + (100 × 0.1) + 2 = 262 v.

at 700 r.p.m., eg2 = 262 × 700/1000 = 183.4 v.

if ia is the new current, then eg2 - 2 - (ia × 0.1) = 2.5 ia

which means this will give ia = 96.77 amp.