Electronic Principles
A device that converts chemical energy to electrical energy is called a:

None of these
electric device
chemical cell
solar cell
thermocouple

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

The algebraic sum of currents entering and leaving a point is equal to zero
The total resistance of a parallel circuit is less than the value of the smallest resistance
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
None of these
The algebraic sum of voltages in a loop is equal to zero

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Electronic Principles
Which one of the following statements is true for the currents in a parallel RC circuit?

The total current is less than the sum of the currents for the resistance and capacitance
The total current. is greater than the sum of the currents for the resistance and capacitance
None of these
The current always has the same amplitude and phase for every part of the circuit
The total current is equal to the sum of the currents for the resistance and capacitance

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