Question
When two charged bodies are properly connected but do
not exchange electric current, it indicates that they have the same _____.Solution
Electric current flows between two points only when there is a potential difference between them. According to Ohm’s law, current (I) through a conductor between two points is directly proportional to the potential difference (V) and inversely proportional to the resistance (R), (I = {V}/{R}). Hence, if two charged bodies have the same potential, no current will flow between them, regardless of their charge or capacity.
Which of the following is a property of a relational database?
What is a table joined with itself called?
Which debugging tool allows a developer to pause program execution at specific lines, inspect variable values, and execute code step-by-step?
Which normal form eliminates transitive dependency?
Which SQL clause is used to group rows based on one or more columns?
What is the primary purpose of a "Trigger" in a database?
In DBMS, which scheduling method ensures serializability of transactions?
Consider a scenario in an OOP application where a `NullPointerException` (or equivalent) occurs when trying to access a member of an object. What is the...
Which system call is used to create a new process in UNIX/Linux?
The command to test reachability of a host in Linux is:
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