Answer to Question #52261 in Physics for vi

Question

The term 'short circuit' refers to
shortening the length of the connecting wires
contact between live and neutral wires without load
breaking of the earth wire
breaking of the fuse wire
7 To insulate fuse wire, which of the following materials is commonly used?
plastic
cloth
porcelain
paper
8 The electric potential difference across an appliance is given in
ohm
volt
ampre
watt
9 A geyser with power rating of 3.5kW is running on a 240V mains. Calculate the current drawn by the geyser
14.60A
6.86A
840.00A
8.40A
10 An auditoriom is provided with the following appliances: two 600 W water dispensers, eight 90 W eletric fans, fourteen 40 W lighting bulbs and two 300 W air conditioners. Calculate the current drawn by the appliances and select the most suitable fuse for
77mA and 6A - fuse
7.4A and 10A - fuse
12.8A 15A - fuse
6.7A 13A - fuse