Podcast
Questions and Answers
Which of the following is an example of a dielectric liquid?
Which of the following is an example of a dielectric liquid?
- Ceramic
- Plastic
- Mica
- Distilled Water (correct)
What is the main characteristic of dielectric materials?
What is the main characteristic of dielectric materials?
- Conducting electrical charges
- Positive temperature coefficient of resistance
- High insulating resistance (correct)
- Low specific resistance
What is the energy gap like in dielectric materials?
What is the energy gap like in dielectric materials?
- Negative
- Very small
- Zero
- Very large (correct)
What property is characteristic of ferroelectricity?
What property is characteristic of ferroelectricity?
What type of materials exhibit ferroelectricity and piezoelectricity?
What type of materials exhibit ferroelectricity and piezoelectricity?
Which phenomenon involves the ability of certain crystals to generate an electric charge in response to mechanical stress?
Which phenomenon involves the ability of certain crystals to generate an electric charge in response to mechanical stress?
What is the defining characteristic of ferroelectric materials?
What is the defining characteristic of ferroelectric materials?
Which of the following is a common application of ferroelectric materials?
Which of the following is a common application of ferroelectric materials?
What is the main property of piezoelectric materials?
What is the main property of piezoelectric materials?
Which type of material can retain its magnetism even after removal of the external magnetic field?
Which type of material can retain its magnetism even after removal of the external magnetic field?
What distinguishes soft magnetic materials from hard magnetic materials?
What distinguishes soft magnetic materials from hard magnetic materials?
What phenomenon does the hysteresis curve represent for ferromagnetic materials?
What phenomenon does the hysteresis curve represent for ferromagnetic materials?
Which of the following is NOT a common ferroelectric material?
Which of the following is NOT a common ferroelectric material?
What is the key application of piezoelectricity mentioned in the text?
What is the key application of piezoelectricity mentioned in the text?
Which type of material can be easily magnetized and demagnetized?
Which type of material can be easily magnetized and demagnetized?
What does piezoelectricity convert between?
What does piezoelectricity convert between?
