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Grade 12 Physics
In binary, the digit '1' typically represents which state in a digital signal?
  1. Low voltage
  2. High voltage
  3. No voltage
  4. Negative voltage
Grade 12 Physics
In a digital system, a wave pulse represents the transition between which two states?
  1. High and low voltage
  2. Positive and negative voltage
  3. Constant voltage and no voltage
  4. Stable and unstable voltage
Grade 12 Physics
How is the energy stored in a battery typically calculated?
  1. By its capacitance and voltage
  2. By its inductance and current
  3. By its voltage and capacity
  4. By its resistance and voltage
Grade 11 Electrical
Define voltage:
  1. the rate at which current flows
  2. a continous loop of electrical current flowing along wires
  3. an uninterrupted electrical pathway
  4. a measurement of electricity in terms of pressure
College Nervous and Endocrine Systems
What happens during the depolarization phase of cardiac muscle?
  1. voltage-gated potassium channels open.
  2. voltage-gated sodium channels open.
  3. voltage-gated calcium channels are closed.
Grade 9 Magnetism and Electricity
Complete the following statement:

If you increase the resistance in a series circuit,                               .
  1. the current will also increase
  2. the current will decrease
  3. the voltage will increase
  4. the voltage will decrease
Grade 8 Frequently Misspelled Words
Which of the following words is spelled incorrectly?
  1. campain
  2. voltage
  3. tolerance
  4. acknowledgement
Grade 9 Magnetism and Electricity
Grade 7 Magnetism and Electricity
Grade 9 Magnetism and Electricity
Grade 9 Magnetism and Electricity
Grade 8 Magnetism and Electricity
Grade 6 Magnetism and Electricity
Grade 5 Magnetism and Electricity
Grade 8 Magnetism and Electricity
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