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

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 currents entering and leaving a point is equal to zero
The algebraic sum of voltages in a loop is equal to zero

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Electronic Principles
The dielectric constant of a material is a measure of:

how well the material concentrates magnetic lines of force
the amount of opposition to the current flow
how well the material concentrates electrostatic lines of force
the amount of voltage it can withstand before breaking down
None of these

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