Current Electricity
Madhya Pradesh Board · Class 12 · Physics
Flashcards for Current Electricity — Madhya Pradesh Board Class 12 Physics. Quick Q&A cards covering key concepts, definitions, and formulas.
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See them allState the steady current formula and the general instantaneous current formula.
Answer
Steady current: I = q/t, where q is net charge and t is time interval. General instantaneous current: I(t) = lim_{Δt→0} ΔQ/Δt, where ΔQ is net charge across a cross-section in time Δt. Unit: ampere (A…
स्थिर धारा का सूत्र और सामान्य तात्क्षणिक धारा का सूत्र बताइए।
Answer
स्थिर धारा: I = q/t, जहाँ q शुद्ध आवेश है और t समय अंतराल है. सामान्य तात्क्षणिक धारा: I(t) = lim_{Δt→0} ΔQ/Δt, जहाँ ΔQ समय Δt में किसी अनुप्रस्थ काट के पार शुद्ध आवेश है. इकाई: ampere (A).
धारा को अदिश राशि क्यों माना जाता है?
Answer
धारा अदिश है, यद्यपि इसे परिपथ आरेखों में तीर के साथ दिखाया जाता है। इसे प्रति इकाई समय में शुद्ध आवेश प्रवाह के रूप में परिभाषित किया जाता है और यह सदिश योग का पालन नहीं करती। किसी क्षेत्र से होकर धा…
Why is current considered a scalar quantity?
Answer
Current is a scalar although it is shown with an arrow in circuit diagrams. It is defined through the net charge flow per unit time and does not follow vector addition. The current through an area can…
A conductor carries 3.0 C of charge in 1.5 s. Find the current.
Answer
Given: q = 3.0 C, t = 1.5 s Formula: I = q/t Step 1: I = 3.0 C / 1.5 s Step 2: I = 2.0 C/s Answer: I = 2.0 A…
एक चालक 1.5 s में 3.0 C आवेश वहन करता है। धारा ज्ञात कीजिए।
Answer
दिया है: q = 3.0 C, t = 1.5 s सूत्र: I = q/t चरण 1: I = 3.0 C / 1.5 s चरण 2: I = 2.0 C/s उत्तर: I = 2.0 A…
एक औसत बिजली चमक में कई दस-हज़ार ampere धारा होती है, जबकि तंत्रिका धाराएँ microamperes में होती हैं। इससे क्या पता चलता है?
Answer
यह प्रकृति और दैनिक जीवन में विद्युत धारा की बहुत व्यापक सीमा दिखाता है। बड़ी धाराएँ बिजली चमक में होती हैं, जबकि बहुत छोटी धाराएँ तंत्रिकाओं में होती हैं। धारा के लिए प्रयुक्त इकाई ampere है।…
An average lightning carries tens of thousands of amperes, while nerve currents are in microamperes. What does this show?
Answer
It shows the very wide range of electric current in nature and daily life. Large currents occur in lightning, while very small currents occur in nerves. The unit used for current is the ampere.
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