Four rectangular blocks B1,B2,B3 and B4 have volumes 100 m3,300 m3,50 m3 and 95 m3 respectively. The smallest block is___
B1
B2
B3
B4
The rectangular block with the least volume is the smallest one.
Hence B3 is the smallest rectangular block.
Four 60 W, 230 V bulbs are connected between the phase and the neutral as shown in the diagram. Line voltage is 230 V.
Which bulb/bulbs will glow at 60 W power?