Choose the correct options for the following questions.
The power dissipated in a resistor is 12.8 watts when 4 A current is passed. How much power will be dissipated if 6 A current is passed through the same resistor?
Difficulty: Easy
A:
16 watts
B:
24 watts
C:
28.8 watts
D:
32.6 watts
Three resistors connected in series have individual voltages labeled $\rm{V_{1}}$, $\rm{V_{2}}$ and \rm{V_{3}} respectively. Which of the following expresses the value of the total voltage $\rm{V_{T}}$ taken over the three resistors together?
Difficulty: Easy
A:
$\rm{V_{T}=V_{1}+V_{2}+V_{3}}$
B:
$\rm{V_{T}=\frac{1}{V_{1}}+\frac{1}{V_{2}}+\frac{1}{V_{3}}}$
C:
$\rm{V_{T}= \left( \frac{1}{V_{1}}+\frac{1}{V_{2}}+\frac{1}{V_{3}} \right)^{-1}}$
D:
$\rm{V_{T}=V_{1}=V_{2}=V_{3}}$
Siemen is the SI unit of
Difficulty: Easy
A:
Conductivity
B:
Resistivity
C:
Conductance
D:
None of these
Premium content
Sign in and upgrade to continue reading.