graded recitation

How do microwave ovens help us?

• They heat up food quickly.

• They make food for you.

• They are robots.

• Keep food cold.

Microwaves work with...

• Radio waves

• Gama waves

• X-rays

• Ultra violet waves

Which container is NOT safe for the microwave?

• Metal

• Micro-safe Plastics

• Glass

• Ceramic

True or False.

Metal causes sparks in the microwave because these waves are reflected by metal.

• True

• False

True or False.

X-ray radiation is used to heat food in a microwave?

• True

• False

Which among these are active microwave devices

• Klystron

• Attenuator

• Coupler

• Magnetron

Check all possible answer!

James wanted to repair his microwave oven, Which parts of the microwave oven should he check if the status of the microwave oven is dead set?

• Bulb

• Fuse

• Thermal Cut - off

• High Voltage Transformer

Check all possible answer!

Mark wanted to repair his microwave oven, Which parts of the microwave oven should he check if the microwave oven has power but can not heat food?

• Magnetron

• High Voltage Diode

• Thermal Cut - off

• High Voltage Transformer

It is a part of a microwave oven that stops the operation when the door is open.

It is a part of a microwave oven that emits radiation.