* Jerome Powell to appear at congressional committee from 1430 GMT
* Silver falls as much as 3.8%
* Interactive graphic tracking global spread of coronavirus: https://graphics.reuters.com/world-coronavirus-tracker-and-maps/ (Recasts, adds comments, updates prices)
By Eileen Soreng
Sept 22 (Reuters) - Gold prices slipped on Tuesday following a sharp drop the previous day, as the dollar hit multi-week highs ahead of U.S. Federal Reserve Chair Jerome Powell's appearance at a congressional committee.
Spot gold XAU= fell 0.9% to $1,895.38 per ounce by 0738 GMT. Prices fell more than 3% to $1,882.70 on Monday, the lowest level since Aug. 12.
U.S. gold futures GCv1 were down 0.5% at $1,900.20 on Tuesday.
"Resurfacing of the coronavirus and the fear that European countries will again go into lockdowns are triggering safe-haven buying in the dollar index and because of that we have seen correction in the gold prices," said Vandana Bharti, assistant vice-president of commodity research at SMC Comtrade.
"We may see gold hitting $1,880-$1,890 level before recovering," she added.
The dollar index .DXY was up 0.1% to a near six-week peak against its rivals. A stronger greenback makes bullion more expensive for holders of other currencies. USD/
Meanwhile, investors also fretted over the chances of more fiscal stimulus in the United States. now looking to Federal Reserve Chair Jerome Powell's appearance on Capitol Hill this week to address lawmakers' questions about the raft of emergency measures the central bank has taken to cushion the blow to the economy from the pandemic. banks would continue to have major concerns about economic growth," Avtar Sandu, a senior commodities manager at Phillip Futures, said in a note.
"Ultra-low yields and negative real interest rates will remain as they are now for much longer, this should provide support for the gold prices in the longer term."
Lower interest rates decrease the opportunity cost of holding non-yielding bullion. Gold, which has risen nearly 26% this year, is also widely viewed as a hedge against inflation and currency debasement.
Elsewhere, silver XAG= fell 3.7% to $23.83 per ounce, platinum XPT= was down 0.4% at $877.74 and palladium XPD= dipped 0.6% to $2,260.97.