The potential difference across a copper wire is 2.0 V when a current of 0.4 A flows through it. The resistance of the wire is?
A5.0 Ω
B0.5 Ω
C0.2 Ω
D2.5 Ω
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Two resistors A and B have resistances 5 chm and 10 ohm, respectively. If they are connected in series to a voltage source of 5 V. The ratio of power developed in resistor A to that of power developed in resistor B will be?
The potential difference across a copper wire is 5.0 V when a current of 0.5 A flows through it. The resistance of the wire is?
Two resistors. A (20Ω) and B (30Ω), are connected in parallel. The combination is connected to a 3 V battery. The current through the battery is?
The Transformer works on which principle:
ദുർബല സ്പന്ദനങ്ങളെ ശക്തിപ്പെടുത്തുന്നതിന് _______ ഉപയോഗിക്കുന്നു