
Q. Find the current in the given circuit ⚡
Step 1: Assume the direction of current ☝️
💡 Let’s assume the current is anticlockwise.
Step 2: Find potential changes in a closed loop ✌️
📌 Let us take the loop:
A → B → C → D → A
Applying Kirchhoff’s Voltage Law (KVL):
Combining like terms:
Therefore,
📦 Answer:
⭐ Interpretation of the negative sign
The negative sign (-) indicates that the actual direction of current is clockwise, opposite to the direction initially assumed.
🔄 Actual current direction = Clockwise
Verification ✅
🔄 Do the same problem again, but this time assume the current to be clockwise.
🎯 You will obtain:
✅ The magnitude of current is and its direction is clockwise.
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