Podcast
Questions and Answers
Which of the following is true about electric charge?
Which of the following is true about electric charge?
- An electron has a positive charge.
- A neutron has no charge.
- A proton has a negative charge.
- A proton and an electron have the same charge. (correct)
What is the SI unit of charge?
What is the SI unit of charge?
- Volt
- Coulomb (correct)
- Ohm
- Ampere
Which of the following materials is a good conductor of electricity?
Which of the following materials is a good conductor of electricity?
- Plastic
- Rubber
- Copper (correct)
- Wood
Which device is used to measure the electrical potential differences on the surface of the skin?
Which device is used to measure the electrical potential differences on the surface of the skin?
What is the SI unit of capacitance?
What is the SI unit of capacitance?
What is the formula for calculating capacitance?
What is the formula for calculating capacitance?
What is the SI unit of electric current?
What is the SI unit of electric current?
According to Coulomb's law, the force between two electric charges is directly proportional to the product of the charges and inversely proportional to their separation squared. Which of the following statements is true about the force between two charges?
According to Coulomb's law, the force between two electric charges is directly proportional to the product of the charges and inversely proportional to their separation squared. Which of the following statements is true about the force between two charges?
What is the magnitude and direction of the electric force acting on q2, if q1 = 4μC, q2 = 3μC, and the distance separating them is 1m?
What is the magnitude and direction of the electric force acting on q2, if q1 = 4μC, q2 = 3μC, and the distance separating them is 1m?
Which of the following materials is an insulator?
Which of the following materials is an insulator?
What is polarization?
What is polarization?
According to the text, which of the following is true about Ohmic materials?
According to the text, which of the following is true about Ohmic materials?
What is the resting membrane potential of a nerve cell?
What is the resting membrane potential of a nerve cell?
What happens to the cell membrane permeability during an active potential?
What happens to the cell membrane permeability during an active potential?
What is the relationship between signal conduction velocity in a nerve axon and capacitance?
What is the relationship between signal conduction velocity in a nerve axon and capacitance?
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