Answer to Question #52265 in Physics for vi

Question

Which of the following appliances may not require electrical power to operate
pressing iron
microwave oven
refrigerator
dessert spoon
2 The potential differrence across an appliance is measred in ------------------
watta
ampres
volts
ohms
3 The ratio of the potential differrence across an appliance to the current flowing through it is measured in ----------------
volts
ohms
watts
ampres
4 In the wiring of a three - pin plug, which of the following colour combinations is appropriate ?
blue yellow black
black green yellow
red black green
red yellow brown
5 Which of the following is suitable as a fuse element?
brass
bronze
lead-tin
silver