Related Questions

Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
A E = PR
B E = I2R
C I = E/R
D I = ER
E None of the above
In a circuit a 33 Q resistor carries a current of 2 A.. The voltage across the resistor is
A 33 V
B 66 V
C 80 V
D 132 V
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
A P = IE
B P = E2/R
C P = I2R
D I = P/E
E None of the above
In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.
A True
B False
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
A $$\frac{{\text{Q}}}{2}$$
B $$\frac{{\text{Q}}}{4}$$
C $$\frac{{\text{Q}}}{8}$$
D $$\frac{{\text{Q}}}{{16}}$$
‘Series aiding’ is a term sometimes used to describe voltage sources of the same polarity in series.
A True
B False
The polarity of the induced voltage can be determined by using the left-hand generator rule.
A Yes
B No
At series resonance, voltage across L is ___________ voltage across C
A Equal to but opposite in phase to
B Equal to but in phase with
C Greater than but in phase with
D Less than but in phase with
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?
A P = I2R
B P = IE
C P = E2/R
D I = P/E
E None of the above
In an RC differentiating circuit, the output voltage is taken across the resistor.
A True
B False

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