An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
Answer (2)
The number of electrons flowing through the electric device is approximately 2.81 × 1 0 21 electrons, calculated by first finding the charge using the current and time, and then dividing by the elementary charge of an electron.
;
Question 1: The statement "Management accounting systems provide information for use in fulfilling legal requirements" is b. False . Management accounting systems are primarily focused on providing information to internal managers to aid in decision making, planning, and control. They are not directly used to fulfill legal requirements, which is typically the role of financial accounting.
Question 2: The statement "Variable cost is a total cost described as staying the same over a certain activity range" is b. False . Variable costs change in total in direct proportion to changes in the level of activity or production volume. They do not stay the same; rather, they vary with activity.
Question 3: The statement "Lead time is the time between ordering the inventory and its arrival" is a. True . Lead time refers to the period from when an order is placed until the inventory is received and ready for use or sale.
Question 4: The statement "A fixed cost is an expense that does not change when sales or production volumes increase or decrease" is a. True . Fixed costs remain constant in total regardless of changes in the level of activity within a relevant range.
Question 5: For supervisor salary costs, where one supervisor is needed for every ten employees added to the staff, the correct answer is d. A step cost . A step cost is a type of fixed cost that remains constant over a range of activity but jumps to a different amount at certain levels of activity.
Question 6: For a production worker paid $650 per month, plus 5 pence per unit produced, the cost is best described as d. A semi-variable cost . This includes a fixed component (the monthly salary) and a variable component (the extra pay per unit produced).
Question 7: Inventory control includes several processes essential to managing inventory efficiently. The correct choice is d. Ordering, Purchasing, Receiving goods into store, Storing, Issuing inventory . This complete set of activities ensures adequate inventory management by covering all stages from acquisition to dispensing.
Question 8: The three basic groups of remuneration methods are a. Time work, piecework schemes, bonus/incentive schemes . These categories represent common ways to compensate employees: paying by time worked, paying by pieces produced, and providing incentives based on performance.
