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Power Electronicsknowledge~10 mins

Cell balancing (passive and active) in Power Electronics - Interactive Code Practice

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to identify the type of cell balancing that dissipates excess energy as heat.

Power Electronics
balancing_type = "[1]"  # This method uses resistors to balance cells
Drag options to blanks, or click blank then click option'
Areactive
Bactive
Cdynamic
Dpassive
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing active balancing with passive balancing.
2fill in blank
medium

Complete the code to select the cell balancing method that transfers energy between cells.

Power Electronics
balancing_method = "[1]"  # This method moves charge from higher to lower cells
Drag options to blanks, or click blank then click option'
Apassive
Bthermal
Cactive
Dchemical
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing passive balancing which wastes energy.
3fill in blank
hard

Fix the error in the code to correctly calculate the power dissipated in passive balancing.

Power Electronics
power_dissipated = voltage * [1]  # Current through resistor
Drag options to blanks, or click blank then click option'
Aresistance
Bcurrent
Cvoltage
Dpower
Attempts:
3 left
💡 Hint
Common Mistakes
Using resistance instead of current.
4fill in blank
hard

Fill both blanks to create a dictionary comprehension that maps cell numbers to their balancing status if voltage is above threshold.

Power Electronics
balancing_status = {cell: [1] for cell, voltage in cells.items() if voltage [2] threshold}
Drag options to blanks, or click blank then click option'
ATrue
B>
C<
DFalse
Attempts:
3 left
💡 Hint
Common Mistakes
Using '<' instead of '>' for voltage comparison.
5fill in blank
hard

Fill both blanks to create a dictionary comprehension that stores cell voltages only if they are within safe limits.

Power Electronics
safe_cells = {cell: voltage for cell, voltage in cells.items() if voltage [1] min_voltage and voltage [2] max_voltage}
Drag options to blanks, or click blank then click option'
A:
B>
C<
D=
Attempts:
3 left
💡 Hint
Common Mistakes
Using '=' instead of ':' in dictionary comprehension.